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4 6 J u r n a l A k u n ta n s i d a n K e u a n g a n I n d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

J u rn a l A k u n ta n si d a n K e u a n g a n In d o n e s ia V o lu m e 6 - N o m o r 1, J u n i 2 0 0 9

P E N G A R U H U K U R A N A U D I T O R D A N S P E S I A L I S A S I A U D I T O R T E R H A D A P K U A L I T A S L A B A

A n t o n i u s H e r u s e t y a 1 U n iv e r s ita s P e lita H a r a p a n

a h e ru se ty a @ y a h o o .c o m

Abstract

P r io r rese a rc h h a d d o c u m e n te d th a t The B ig 4 a u d ito r s h a v e h ig h e r a u d it q u a lity th a n n o n -B ig 4 a u d ito rs (Teoh a n d W ong 1993), a n d The B ig 4 a u d ito r s w ith in d u str y s p e c ia liz a tio n h a v e h ig h e r a u d it q u a lity tha n T he B ig 4 a u d ito r s w ith o u t s p e c ia liz a tio n (B a lsa m e t al. 2003; K n e c h e l e t al. 2 0 0 7 ; B e h n e t al. 2 0 0 8 ; R o m a n u s e t al. 200 8). With th e s a m p le o f 139 fir m y e a r s fr o m m a n u fa c tu rin g p u b lic c o m p a n ie s lis te d in b u r s a E fe k In d o n e s ia in th e y e a r 2 0 0 5 a n d 2006, this s tu d y e x a m in e s w h e th e r th e p u b lic c o m p a n ie s a u d ite d b y T he B ig 4 a u d ito rs has h ig h e r e a rn in g s q u a lity (m e a su r e d b y e a rn in g re sp o n se c oe ffic ie n t) th an the n o n -B ig 4 au ditors. This s tu d y a ls o e x a m in e s w h e th e r The B ig 4 a u d ito rs w ith in d u str y sp e c ia liz a tio n ha s h ig h e r e a rn in g s q u a lity th a n T he B ig 4 a u d ito r s w ith o u t in d u str y spe c ia liza tio n . This s tu d y p r o v id e s no e v id e n c e th a t th e re is a n ea rn in g s q u a lity d iffe re n c e b e tw ee n p u b lic co m p a n ie s a u d ite d b y T he B ig 4 a u d ito rs a n d n o n -B ig 4 au ditors, a n d b e tw e e n a ud ito rs w ith in d u s try s p e c ia liz a tio n a n d w ith o u t s p e c ia liza tio n . T he a d d itio n a l tests o n p u b lic c o m p a n ie s a u d ite d b y n o n -B ig 4 a u d ito rs p r o v id e no e v id e n c e w h e th e r the re is a n a s so c ia tio n b e tw e e n C A R a n d u n e x p e c te d e a r n in g (U E R ). C o n sis te n t w ith th e m a in result, th e s e n s itiv ity te st on s p e c ia liz a tio n m e a su r e m e n t also g iv e e v id e n c e th a t The B ig 4 a u d ito rs are n o t d iffe r fr o m th e n o n -B ig 4 aud ito rs. T his s tu d y p r o v id e s s o m e evid en ce, c o n s is te n t w ith p r i o r s tu d ie s th a t th e m a r k e t n e g a tiv e ly reac ts h ig h e r o n th e c o m p a n ie s w ith n e g a tiv e u n e x p e c te d e arn ing s, a n d w ith h ig h e r le ve ra g e; a n d p o s itiv e ly re ac ts h ig h e r o n th e high g r o w th c o m p a n ie s a u d ite d b y T he B ig 4 aud itors. This s tu d y le a v e s s o m e a m b ig u o u s resu lts r e g a rd in g th e a u d it q u a lity o f a u d ito rs a n d e a rn in g q u a lity o f p u b lic c o m p a n ie s in th e c o n te x t o f In d o n e sia , a n d p r o v id e s s o m e o p p o rtu n itie s f o r f u r t h e r in d e p th re se a rc h in th e se areas.

Keywords: audit quality, earning quality, unexpected earning, cumulative

abnormal return, earning response coefficient

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 4 7

P E N D A H U L U A N

P e ra n a n a u d itin g d a n k u a lita s a u d it (a u d it q u a lity ) y a n g d ila k u k a n o le h K a n to r A k u n ta n T h e B ig 4 2 d a la m m e m a stik a n k u a lita s la b a p e ru s a h a a n te la h m e n ja d i s o ro ta n u ta m a , k h u s u s n y a s e ja k b e rk e m b a n g n y a m a s a la h e a r n in g r e s ta te m e n t y a n g d ila k u k a n o le h p a ra m a n a je m e n p e ru s a h a a n s e rta tim b u ln y a k a s u s E n ro n (D e fo n d d a n F ra n c is 20 0 5 ; Jen k in s e t al. 2 0 0 6 ; R o m a n u s e t al. 2 0 0 8 ). S tu d i di A m e rik a te la h m e m b u k tik a n a d a n y a p e n u ru n a n d a la m e a r n in g q u a lity p a d a a k h ir ta h u n 19 9 0 a n s e rta m e m p e rta n y a k a n p e ra n e fe k tifita s a u d itin g d a la m m e n g h a m b a t p e n u ru n a n d a la m k u a lita s la b a (Je n k in s e t al. 2 0 0 6 ). S tu d i-stu d i di A m e rik a j u g a m e n e m u k a n b a h w a b a n y a k p e ru s a h a a n m e m a n fa a tk a n fle k s ib ilita s y a n g d iijin k a n d a la m s ta n d a r a k u n ta n s i d e n g a n c a ra m e m a n ip u la s i a c c r u a l u n tu k tu ju a n p e la p o ra n la b a (M e e k d a n T h o m a s 2 0 0 4 ).

S tu d i di n e g a ra -n e g a ra A S E A N m e n u n ju k k a n p e rb e d a a n d a la m k u a lita s a u d it o le h k a re n a p e rb e d a a n d a la m le g a l e n v ir o n m e n t n e g a ra y a n g b e rs a n g k u ta n (M a rc h e s i 2 0 0 0 ). P e n e litia n M a rc h e si (2 0 0 0 ) m e n e m u k a n a u d it q u a lity y a n g s a n g a t k o m p ro m i di b e b e ra p a n e g a ra o le h k a re n a k u ra n g n y a a tu ra n m e n g e n a i in d e p e n d e n si a u d ito r, te rm a s u k di n e g a ra In d o n e sia . S a tu -s a tu n y a a tu ra n y a n g m e n g a tu r ja s a a k u n ta n p u b lik di In d o n e s ia s a a t ini h a n y a m e n g a c u p a d a atu ra n K e p u tu s a n M e n te ri K e u a n g a n N o .4 2 3 /K M K 0 6 /2 0 0 2 d a n K e p u tu sa n M e n te ri K e u a n g a n N o .3 5 9 /K M K 0 6 /2 0 0 3 te n ta n g p e m b a ta s a n p e n u g a s a n a u d ito r d an j a s a k a n to r a k u n ta n p u b lik .3

P e rb e d a a n d a la m k u a lita s a u d it4 m e n y e b a b k a n a d a n y a v a ria si d a la m k re d ib ilita s y a n g d ita w a rk a n au d ito r. A d a n y a v a ria s i te rs e b u t a k a n m e n im b u lk a n a d a n y a p e rb e d a a n d a ia m k u a lita s la b a (e a r n in g q u a lity ) d ari k lie n m e re k a . S e b a g ia n b e s a r p e n e litia n s e b e lu m n y a m e n g g u n a k a n a u d ito r b r a n d n a m e seb a g a i p ro k si d ari k u a lita s a u d it d a n m e m e rik s a h u b u n g a n a n ta ra b r a n d n a m e d a n k u a lita s la b a (B e c k e r et al. 1998; R e y n o ld s d an F ra n c is 2 0 0 0 ). P e n e liti la in n y a (C ra sw e ll e t al. 1995; B e a s le y d a n P e tro n i 2001 d a la m B a lsa m e t al. 2 0 0 3 ) m e n a m b a h k a n s e la in

b r a n d n a m e , sp e s ia lisa s i in d u stri a u d ito r m e m b e rik a n k o n trib u s i p o s itif te rh a d a p

2 K a n to r a k u n ta n p u b lik d a p a t d ik la s ifik a s ik a n m e n u r u t u k u ra n n y a . D i A m e r ik a S e rik a t k a n to r a k u n ta n p u b lik te r b e s a r p e r ta m a k a li d ik e lo m p o k k a n d e n g a n is tila h ‘th e B ig 8 ’ p a d a ta h u n 1 9 8 6 , k e m u d ia n d ila k u k a n b e b e r a p a k a li m e r g e r a n ta r k a n to r a k u n ta n p u b lik te r b e s a r m e n ja d i ‘T h e B ig 6 ’, ‘T h e B ig 5 ’, d a n te r a k h ir d e n g a n a d a n y a s k a n d a l E n ro n p a d a ta h u n 2 0 0 2 m e n ja d i ‘T h e B ig 4 ’ . D i In d o n e s ia , u k u r a n k a n to r a k u n ta n p u b lik d ib a g i m e n ­ j a d i T h e B ig 4, s e c o n d - tie r fir m s , th e th i r d - t ie r f i r m s d a n lo k a l ( T u a n n a k o tta 2 0 0 7 )

3 S e ja k ta h u n 2 0 0 3 te la h d ib e n tu k R a n c a n g a n U n d a n g -U n d a n g A k u n ta n P u b lik , n a m u n h in g g a s a a t in i m a s ih b e lu m d ik e lu a rk a n d a la m b e n tu k U n d a n g -U n d a n g ( T u a n a k o tta 2 0 0 7 ,4 0 2 )

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4 8 J u r n a l A k u n ta n s i d a n K e u a n g a n In d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

k re d ib ilita s aud ito r. B e b e ra p a b u k ti m e n u n ju k k a n b a h w a s p e sia lis a s i in d u stri a u d ito r m e n g h a s ilk a n a u d it y a n g le b ih e fe k tif (O w h o so e t al. 2 0 0 2 ). P e n e litia n B a lsa m e t al. (2 0 0 3 ) m e n u n ju k k a n b a h w a k lie n y a n g la p o ra n k e u a n g a n n y a d ia u d it o le h a u d ito r d e n g a n sp e s ia lisa s i in d u stri m e m ilik i d is c r e tio n a r y a c c r u a l y a n g le b ih re n d a h d a n e a r n in g r e s p o n s e c o e ffic ie n t (E R C ) y a n g le b ih tin g g i d a rip a d a k lie n ta n p a a u d ito r d e n g a n s p e sia lisa si in d u stri. T e m u a n in i k o n siste n b a h w a k lie n d e n g a n a u d ito r sp e sia lis a si in d u stri m e m ilik i k u a lita s la b a y a n g le b ih tin g g i d a rip a d a k lie n ta n p a a u d ito r sp e sia lisa si in d u stri. H a l in i ju g a se ja la n d e n g a n te m u a n di n e g a ra - n e g a ra la in (K w o n e t al. 2 0 0 7 )5, d e n g a n c a ta ta n b a h w a p e n g a ru h a u d ito r d e n g a n s p e s ia lisa si in d u stri atas k u a lita s la b a m e n in g k a t se ja la n d e n g a n le m a h n y a le g a l e n v ir o n m e n t y a n g a d a p a d a n e g a ra y a n g b e rsa n g k u ta n .

M o tiv a si p e n e litia n ini a d a la h u n tu k m e n g e ta h u i s e ja u h m a n a p e n g a ru h a u d ito r d e n g a n sp e s ia lisa s i in d u stri y a n g m e ru p a k a n u k u ra n k u a lita s d a ri a u d ito r T h e B ig 4 di In d o n e s ia d a la m ra n g k a m e n in g k a tk a n k u a lita s la b a y a n g d iu k u r d e n g a n e a r n in g r e s p o n s e c o e ffic ie n t u n tu k p e ru s a h a a n p u b lik y a n g te rd a fta r di B u rs a E fe k In d o n e sia . P e n e litia n in i in g in m e lih a t a p a k a h k u a lita s a u d it d a p a t b e rp e n g a ru h te rh a d a p k u a lita s p e la p o ra n k e u a n g a n (k u a lita s la b a ) b a g i p e ru s a h a a n p u b lik d i In d o n e s ia y a n g m e m ilik i k o n te k s h u k u m y a n g b e rb e d a d e n g a n p e n e litia n - p e n e litia n s e b e lu m n y a y a n g m e n eliti k o n te k s p e ru s a h a a n -p e ru s a h a a n di lu a r n e g e ri k h u s u s n y a di A m e rik a d a n A u stra lia . S e ja u h p e n g a m a ta n p e n u lis , m a sih s e d ik it p e n e litia n d a la m k o n te k s In d o n e s ia y a n g m e n g u k u r p e n g a ru h k u a lita s a u d it te rh a d a p k u a lita s laba. P e n e litia n F a n n y d a n S ire g a r (2 0 0 7 ) m e n e m u k a n h u b u n g a n sig n ifik a n a n ta ra ‘m a s a p e n u g a s a n a u d ito r’ a tau a u d it te n u r e d e n g a n n ila i a b so lu t a k ru a l d is k re s io n e r seb a g a i p ro k s i d ari m a n a je m e n la b a y a n g m e ru p a k a n sala h satu u k u ra n k u a lita s lab a. P e n e litia n m e re k a m e n e m u k a n b a h w a n ila i a b s o lu t d is k re sio n e r s e m a k in re n d a h se irin g d e n g a n s e m a k in p a n ja n g n y a ja n g k a w a k tu p e n u g a s a n a u d it. P e n e litia n -p e n e litia n la in n y a d a la m m a n a je m e n la b a, e a r n in g q u a lity , d a n ta ta k e lo la p e ru s a h a a n y a n g d ila k u k a n di In d o n e sia ju g a su d a h b a n y a k (c o n to h , G u m a n ti 2 0 0 1 ; S a ifu l 2 0 0 4 ; S a p u tro d a n S e tia w ati 2 0 0 4 ; M e u tia 2 0 0 4 ; A rd iy a ti 2 0 0 5 ; U ta m i 2 0 0 6 ; U ta m a d a n L e o n a rd o 2 0 0 6 ; S ire g a r d a n U ta m a 2 0 0 6 ; R a h m a w a ti e t al. 2 0 0 7 ; S u k a rth a 2 0 0 7 ; K u sto n o 2 0 0 8 ), n a m u n p e n e litia n y a n g d ila k u k a n h a n y a m e ru p a k a n s in g le e ffe c t d a n b e lu m a d a y a n g m e n g k a itk a n la n g su n g (j o in t e ffe c t) h u b u n g a n k u a lita s la b a d e n g a n a u d it m u tu te rk a it d e n g an sp e sia lisa si in d u stri a u d ito r, se rta

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 4 9

p e n g a ru h m o d e ra si d ari m e k a n ism e a lte rn a tif m o n ito r in g (g o v e r n a n c e m e c h a n is m ) s ela in e k te m a l a u d it.6

D e n g a n m e n g g u n a k a n sa m p e l 139 f i r m y e a r s d a ri p e ru s a h a a n p u b lik p a d a s e k to r m a n u fa k tu r (d e n g a n su b -in d u s tri s e k to r In d u stri D a s a r d a n K im ia , C o n s u m e r G o o d s , d a n A n e k a In d u stri) y a n g d ia u d it o le h k a n to r a k u n ta n p u b lik , b a ik T h e B ig 4 m a u p u n n o n -B ig 4 u n tu k ta h u n 2 0 0 5 -2 0 0 6 , p e n e litia n in i in g in m e n g u ji a p a k a h te rd a p a t b u k ti b a h w a p e ru s a h a a n y a n g d ia u d it o le h th e B ig 4 m e m ilik i k u a lita s la b a (d iu k u r d e n g a n E R C ) y a n g le b ih tin g g i d ib a n d in g k a n d e n g a n p e ru s a h a a n y a n g d ia u d it o le h k a n to r a k u n ta n p u b lik n o n -B ig 4. P e n e litia n ini ju g a in g in m e n g u ji a p a k a h p e ru s a h a a n d e n g a n a u d ito r th e B ig 4 d e n g a n s p e s ia lis a s i in d u stri m e m ilik i k u a lita s la b a (d iu k u r d e n g a n E R C ) y a n g le b ih tin g g i d ib a n d in g k a n d e n g a n n o n - s p e sia lisa si.

H a sil p e n g u jia n b e lu m d a p a t m e m b e ri b u k ti y a n g k o n s is te n (k e c u a li u n tu k b e b e ra p a v a ria b e l k o n tro l la in n y a ) b a h w a te rd a p a t p e rb e d a a n d a la m k u a lita s la b a b a g i p e ru s a h a a n y a n g d ia u d it b a ik o le h a u d ito r T h e B ig 4 , m a u p u n a u d ito r d e n g a n s p e s ia lisa si in d u stri. P e n g u jia n ta m b a h a n a tas p e ru s a h a a n y a n g d ia u d it o le h a u d ito r n o n -B ig 4 ju g a tid a k m e m b e ri b u k ti a d a n y a h u b u n g a n a so s ia si C A R d e n g a n

u n e x p e c te d e a r n in g (U E R ). P e n g u jia n sen sitifitas d e n g a n m e n g g u n a k a n p e n g u k u ra n

s p e s ia lis a s i D O M IN A N , ju g a b e lu m d a p a t m e m b e rik a n b u k ti b a h w a k a n to r a k u n ta n th e B ig 4 d e n g an s p e sia lisa si le b ih s u p e rio r d ib a n d in g k a n n o n -sp e sia lisa si.

P e n g u jia n te rh a d a p v a ria b e l k o n tro l m e m b e rik a n b u k ti y a n g k o n s iste n d e n g a n p e n e litia n se b e lu m n y a b a h w a p a s a r m e m b e ri re a k si n e g a tif y a n g le b ih tin g g i te rh a d a p p e ru s a h a a n d e n g a n u n e x p e c te d e a r n in g n e g a tif, d a n tin g k a t le v e r a g e y a n g le b ih tin g g i; d a n p a sa r m e m b e ri re a k si p o s itif te rh a d a p p e ru s a h a a n d e n g a n tin g k a t p e rtu m b u h a n y a n g le b ih tin g g i b a g i p e ru s a h a a n y a n g d ia u d it o le h k a n to r a k u n ta n T h e B ig 4.

P e m b a h a s a n se la n ju tn y a d a la m p e n e litia n in i a d a la h seb a g a i b e rik u t: b a g ia n II m e m b a h a s p e n e litia n s e b e lu m n y a d an p e n g e m b a n g a n h ip o te s is; b a g ia n III m e m b a h a s m e to d o lo g i p e n e litia n ; b a g ia n IV m e m b a h a s s ta tis tik d e sk rip tis d a n h a sil p e n e litia n e m p iris, d a n te ra k h ir a d a la h s im p u la n , im p lik a s i d a n k e te rb a ta s a n p e n e litia n .

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5 0 J u r n a l A k u n ta n s i d a n K e u a n g a n I n d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

P E N E L I T I A N S E B E L U M N Y A D A N P E N G E M B A N G A N H I P O T E S I S

K u a l i t a s A u d i t d a n K u a l i t a s L a b a

T u ju a n d ari a u d it a ta s la p o ra n k e u a n g a n a d a la h u n tu k m e m a s tik a n a p a k a h la p o ra n k e u a n g a n te la h b e b a s d ari sala h saji y a n g m a te ria l, se h in g g a tid a k m e ru g ik a n p ih a k -p ih a k y a n g b e rk e p e n tin g a n te rh a d a p p e ru s a h a a n (A re n s e t al. 2 0 0 8 ). S e d a n g k a n a u d it q u a lity (k u a lita s a u d it) d id e fin isik a n seb a g a i p ro b a b ilita s g a b u n g a n , b a h w a k e s a la h a n m a te ria l y a n g a d a p a d a la p o ra n k e u a n g a n d a p a t d id e te k si d a n d ila p o rk a n o le h s e o ra n g a u d ito r (D e A n g e lo 1 981).7

P e n e litia n s e b e lu m n y a te n ta n g k u a lita s a u d it p a d a u m u m n y a m e n g g u n a k a n u k u ra n a u d ito r a ta u re p u ta si a u d ito r seb a g a i p ro k si d ari k u a lita s a u d it (D e A n g e lo 1981; K le in d a n L e ffe r 1981 d a la m B a lsa m e t al. 2 0 0 3 ). S e ju m la h stu d i m e n e m u k a n h u b u n g a n k u a lita s a u d it y a n g d iu k u r d e n g a n a u d ito r b r a n d n a m e , d e n g a n k u a lita s la b a (ie a r n in g q u a lity ). B e c k e r e t al. (1 9 9 8 ), F ra n c is e t al. (1 9 9 9 ) d a n R e y n o ld s d a n F ra n c is (2 0 0 0 ) m e n e m u k a n b a h w a , a u d ito r y a n g b e rm u tu y a n g d ip ro k si d e n g a n u k u ra n a u d ito r {T h e B i g 6) d a p a t m e n d e te k s i m a n a je m e n la b a { e a r n in g

m a n a g e m e n t)8, o le h k a re n a p e n g e ta h u a n su p e rio r y a n g m e re k a m ilik i, d a n

k e m a m p u a n u n tu k m e n d e te k s i m a n a je m e n la b a d e n g a n tu ju a n u n tu k m e lin d u n g i re p u ta si n a m a m e re k a.

K h u ra n a d a n R a m a n (2 0 0 4 ) m e n e m u k a n b a h w a tid a k s e la m a n y a d ite m u k a n b u k ti a u d ito r T h e B ig 4 m e m ilik i a u d it q u a lity y a n g sa m a (d iu k u r d a n c o s t o f c a p ita l y a n g le b ih re n d a h ) di n e g a ra lain . K u ra n a d a n R a m a n (2 0 0 4 ) m e n e m u k a n b a h w a a u d it y a n g d ila k u k a n o le h T h e B ig 4 m e m ilik i e x - a n te c o s t o f e q u ity c a p ita l y a n g le b ih re n d a h di A m e rik a , te ta p i tid a k di A u stra lia , C a n a d a , ai.au di In g g ris.

B e c k e r et al. (1 9 9 8 ), F ra n c is e t al. (1 9 9 9 ), d a n R e y n o ld s d a n F ra n c is (2 0 0 0 ) s e m u a n y a m e n e m u k a n b a h w a k lie n dari T h e B ig 6 a u d ito r m e m ilik i d is c r e tio n a r y a c c r u a ls y a n g le b ih re n d a h d a rip a d a k lie n d e n g an n o n -B ig 6 au d ito r. D a ri p a p a ra n di atas d a p a t d is im p u k a n b a h w a te m u a n m e re k a u m u m n y a k o n s iste n , b a h w a re p u ta si n a m a au d ito r { b r a n d n a m e ) b e rh u b u n g a n p o s itif d e n g a n k u a lita s p e la p o ra n k e u a n g a n , te rm a s u k e a r n in g q u a lity .

1 K u a lita s a u d it j u g a d id e fin is ik a n s e b a g a i u k u ra n d a ri k e m a m p u a n a u d ito r u n tu k m e n g u r a n g i ‘n o i s e ' d a n b ia s , d a n u n tu k m e n in g k a tk a n ’f i n e n e s s ’ d a la m d a ta a k u n ta n s i (W a lla c e 1 9 8 0 d a la m B e h n e t al. 2 0 0 8 )

o

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 51

A u d i t o r D e n g a n S p e s i a l i s a s i I n d u s t r i

T e rd a p a t stu d i y a n g b e rk e m b a n g te ru s y a n g m e n g h u b u n g k a n a u d ito r d e n g a n s p e s ia lis a s i in d u s tri9 d e n g a n f i n a n c i a l r e p o r tin g q u a lity 10. C a rc e llo a n d N a g y (2 0 0 2 ) m e m b e rik a n b u k ti b a h w a k lie n d a ri a u d ito r s p e c ia lis t le b ih ja r a n g b e rh u b u n g a n d e n g a n san k si S E C d i A m e rik a . D u n n e t al. (2 0 0 0 ) d a la m B a lsa m e t al. (2 0 0 3 ) m e n e m u k a n b a h w a k lie n d a ri a u d ito r d e n g a n sp e sia lis a s i in d u stri m e m ilik i ra n k in g y a n g le b ih tin g g i d ari f i n a n c i a l a n a ly s ts d a la m k u a lita s p e n g u n g k a p a n d a rip a d a a u d ito r n o n -s p e c ia lis ts .

P e n d a p a t d a la m lite ra tu r te rd a h u lu m e n y a ra n k a n b a h w a s e la in re p u ta si a u d ito r ( b r a n d n a m e ), s p e s ia lis a s i a u d ito r j u g a m e m b e rik a n tin g k a t k e p a s tia n (a s s u r a n c e ) y a n g le b ih tin g g i d a rip a d a a u d ito r ta n p a s p e s ia lis a s i d a la m in d u stri te rte n tu (C ra s w e ll e t d . 1995; B e a s le y d a n P e trio n i 2 0 0 1 ; K n e c h e l e t al. 2 0 0 7 ; L e e 2 0 0 7 ). D a la m stu d i y a n g d ila k u k a n o le h J e n k in s e t al. (2 0 0 6 ) d i A m e rik a m e n u n ju k k a n b u k ti a d a n y a p e n u ru n a n d a la m e a r n in g q u a lity p a d a p e ru s a h a a n - p e ru s a h a a n se b e lu m p e rio d e 1 9 9 0 -1 9 9 6 d ib a n d in g k a n d e n g a n p e rio d e 1 9 9 7 -1 9 9 9 y a n g d itu n ju k k a n d e n g a n k e n a ik a n d a la m b e s a ra n d is c r e tio n a r y a c c r u a l d a n p e n u ru n a n d a la m E R C . 11

H a sil p e n e litia n J e n k in s e t al. (2 0 0 6 ) ju g a m e n y a ra n k a n a g a r k u a lita s a u d it y a n g tin g g i m e la lu i p e n g g u n a a a n a u d ito r d e n g a n s p e s ia lisa si in d u s tri d a p a t m e n c e g a h te ija d in y a p e n u ru n a n d a la m k u a lita s la b a te rs e b u t. P a s a r ju g a b e ra k si p o s itif te rh a d a p p e rp in d a h a n au d ito r, d a ri au d ito r n o n -s p e s ia lis a s i in d u s tri k e a u d ito r d e n g a n d e n g a n sp e sia lis a s i in d u s tri te rte n tu (K n e c h e l e t al. 2 0 0 7 ). O w h o so e t al. (2 0 0 2 ) m e n u n ju k k a n b a h w a a u d ito r d e n g a n sp e s ia lis a si in d u s tri a k a n le b ih d a p a t m e n d e te k s i k e s a la h a n d a la m sp e s ia lisa s i ui in d u s trin y a d a rip a d a d ilu a r in d u s trin y a . O ’K e e fe e t al. (1 9 9 4 ) d a la m B a lsa m e t al. (2 0 0 3 ) m e la p o rk a n a d a n y a k e ta a ta n te rh a d a p a u d itin g s ta n d a r y a n g le b ih b e s a r b a g i a u d ito r d e n g a n s p e s ia lis a s i

9 A u d ito r d e n g a n s p e s ia lis a s i in d u s tri ( i n d u s tr y - s p e c ia lis t a u d ito r s ) a d a la h ‘a r e th o s e w h o w o r k w it h in a s p e c i fi c f i e l d s u c h a s b a n k in g , in s u r a n c e o r m a n u fa c tu r in g ... s u g g e s tin g th a t a u d i t o r s w ith s p e c ific in d u s t r y e x p e r t is e p e r f o r m m o r e r e a lib le a u d i t in th a t s e c t o r (L e e 2 0 0 7 )

10 ‘F in a n c ia l r e p o r tin g q u a l i t y ’ d a p a t d iu k u r d e n g a n b e rb a g a i c a ra , m is a ln y a m e la lu i a u d i t o r litig a tio n , a n a ­ ly s t r a n k in g s , S E C e n f o r c e m e n t a c tio n s , d a n e a r n in g q u a lity (B a ls a m e t al. 2 0 0 3 , lih a t ju g a F e r o z e t al. 1 9 9 1 ). D a la m p e n e litia n in i p e n u lis m e m b a ta s i p e n g u k u ra n fi n a n c i a l r e p o r tin g q u a li ty p a d a e a r n in g q u a lity . E a r n in g q u a l i t y s e n d iri m e ru p a k a n k o n s e p y a n g tid a k m e m ilik i d e fin is i s e c a r a u m u m d a la m s tu d i lite ra tu r. D e c h o w d a n S c h ra n d ( 2 0 0 4 ) m e m b a h a s s e c a r a d e ta il te n ta n g e a r n in g q u a lity (in fo r m a tiv e n e s s ) . S e d a n g k a n B a ls a m e t al. ( 2 0 0 3 ) m e n g u ji k u a lita s la b a m e la lu i b e s a r a n a b s o lu t d is c r e tio n a r y a c c r u a l d a n e a r n in g r e s p o n s e c o e ff ic i e n t (E R C ).

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5 2 J u r n a l A k u n ta n s i d a n K e u a n g a n I n d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

in d u stri d a rip a d a a u d ito r ta n p a sp e s ia lisa s i in d u stri. P e n e litia n B e h n e t al. (2 0 0 8 ) m e n d u k u n g te m u a n -te m u a n p e n e litia n se b e lu m n y a b a h w a a u d ito r T h e B ig 5 d e n g an s p e s ia lis a s i in d u stri m e m ilik i k u a lita s a u d it y a n g le b ih tin g g i d ari a u d ito r T h e B ig 5 ta n p a s p e sia lisa si in d u stri, d itu n ju k k a n d e n g a n k e a k u ra ta n ‘a n a ly s ts ’ e a r n in g f o r e c a s t ’ y a n g le b ih tin g g i. P e n e litia n R o m a n u s e t al. (2 0 0 8 ) ju g a m e m b e ri b u k ti

b a h w a a u d ito r d e n g a n sp e s ia lis a s i in d u stri m e m ilik i a so sia si d e n g a n p e n in g k a ta n d e te k s i k e sa la h a n y a n g le b ih tin g g i, m e m ilik i k u a lita s p e la p o ra n k e u a n g a n y a n g leb ih tin g g i, d an m e m ilik i k e c e n d e ru n g a n y a n g le b ih re n d a h d a la m m e n e rb itk a n

a c c o u n tin g r e s ta te m e n t d ari k lie n m e re k a.

E a r n i n g R e s p o n s e C o e f f i c i e n t d a n A u d i t o r D e n g a n S p e s i a l i s a s i

E a r n in g r e s p o n s e c o e ffic ie n t (E R C ) m e n g u k u r s e b e ra p a ja u h re s p o n s s to c k

m a r k e t te rh a d a p e a r n in g s s u r p r is e (D e c h o w d an S c h ra n d 2 0 0 3 , 83; S c o tt 2 0 0 9 ).

L a b a sa h a m d iu k u r b a ik m e la lu i b e b e ra p a hari d is e k ita r ta n g g a l p e n g u m u m a n la ba, a ta u se p a n ja n g p e rio d e y a n g sa m a seb a g a i la b a. E R C y a n g leb ih b e s a r m e n u n ju k k a n b a h w a s e tia p d o la r d a ri e a r n in g s s u r p r is e m e m ilik i im p lik a s i p e n ila ia n y a n g leb ih tin g g i o le h p a sa r (D e c h o w d a n S c h ra n d 2 0 0 4 ). P e n e litia n D e fo n d d a n P a rk (2 0 0 1 ) m e m b e rik a n p e n g e rtia n y a n g k o n s is te n te n ta n g E R C seb a g a i u k u ra n e a r n in g

q u a lity . M e re k a b e ra rg u m e n b a h w a jik a p a s a r m e n g a n tisip a s i sifa t r e v e r s in g d ari

a b n o r m a l w o r k in g c a p ita l a c c r u a ls , m a k a E R C a k a n te rg a n tu n g p a d a a p ak a h

a b n o r m a l a c c r u a l p o s itif ( in c o m e in c re a s in g ) a ta u n e g a tif ( in c o m e d e c r e a sin g ). P e n e litia n m e re k a m e m b e rik a n k e sim p u la n b a h w a ’h ig h e r E R C w h e n a b n o r m a l a c c r u a ls s u p p r e s s e d th e m a g n itu d e o f e a r n in g s s u r p r is e s a n d lo w e r E R C w h e n

a b n o r m a l a c c r u a ls e x a g g e r a te d th e m a g n itu d e o f e a r n in g s u r p r is e s ’ (D e fo n d d a n P a rk 2 0 0 1 , 375). D e n g a n p e rk a ta a n la in , p e rn y a ta a n te rs e b u t m e n u n ju k k a n b a h w a in v e s to r a k a n m e m b e rik a n re s p o n a tas tin g k a t a c c r u a l y a n g tin g g i seb a g a i in d ik a si k u a lita s la b a y a n g re n d a h , d a n d e n g a n m e m b e rik a n re s p o n s te rh a d a p la b a y a n g le b ih re n d a h .

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 5 3

H ,.

Earning response coefficient

d a r i p e r u s a h a a n y a n g d i a u d i t o l e h T h e B i g 4 l e b i h b e s a r d a r i p e r u s a h a a n y a n g d i a u d i t o l e h a u d i t o r n o n - B i g 4

H 2:

Earning response coefficient

d a r i p e r u s a h a a n y a n g d i a u d i t o l e h a u d i t o r T h e B i g 4 d e n g a n s p e s i a l i s a s i i n d u s t r i l e b i h b e s a r d a r i p e r u s a h a a n y a n g d i a u d i t o l e h a u d i t o r T h e B i g 4 t a n p a s p e s i a l i s a s i i n d u s t r i

K e r a n g k a M o d e l T e o r i t i s

B e rd a s a rk a n p e n je la s a n m e n g e n a i p e m b e n tu k a n h ip o te sis d ia ta s, m a k a d ib e n tu k k e ra n g k a te o ritis p e n e litia n ini y a n g te rsa ji d a la m G a m b a r 1.

G a m b a r 1

K e r a n g k a T e o r it i s P e n e li t i a n

M E T O D O L O G I P E N E L I T I A N

D a t a d a n P e m i l i h a n S a m p e l

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5 4 J u r n a l A k u n ta n s i d a n K e u a n g a n I n d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

S a m p e l p e ru sa h a a n d ia m b il d ari in d u stri m a n u fa k tu r y a n g m e lip u ti p e m b a g ia n k a tag o ri su b -in d u s tri m e n u ru t JS X W atch , y a itu In d u stri D a s a r d a n K im ia ( B a s ic & C h e m ic a l In d u s tr i), C o n s u m e r G o o d s , d a n A n e k a In d u stri ( M is c e lla n e o u s

s e c to r ). A la sa n p e m ilih a n sa m p e l k h u su s p a d a in d u stri m a n u fa k a tu r a d a la h u n tu k

m e m p e ro le h h o m o g e n ita s d a la m sam p e l. P e n e litia n C a im e y d a n Y o u n g (2 0 0 6 ) m e n e m u k a n h u b u n g a n p o s itif sig n ifik a n a n ta ra h o m o g e n ita s d a la m in d u s tri d e n g an s p e s ia lis a s i in d u stri au d ito r, m e n g im p lik a s ik a n b a h w a a u d ito r m e n c a ri ta m b a h a n k lie n y a n g ak an d ia u d it d a la m in d u stri, d im a n a k lie n n y a m e m ilik i k e g ia ta n o p e ra si y a n g s e je n is g u n a m e n e k a n b ia y a o p e ra sio n a l auditor.

S a m p e l a k h ir y a n g d ig u n a k a n se te la h d ik u ra n g i d e n g a n p e ru sa h a a n y a n g

d e lis tin g p a d a ta h u n 2 0 0 5 d a n 2 0 0 6 , d a ta p e ru s a h a a n y a n g tid a k le n g k a p , d an

p e ru s a h a a n y a n g tid a k d ija d ik a n sam p e l d a la m in d u stri in i a d a la h 139 f i r m y e a r s (7 0 p e ru s a h a a n u n tu k ta h u n 2 0 0 5 , d a n 69 p e ru sa h a a n u n tu k ta h u n 2 0 0 6 ). S e d a n g k an ju m la h p e ru s a h a a n y a n g d ia u d it o le h a u d ito r T h e B ig 4 d a n a u d ito r n o n -B ig 4 u n tu k

k e d u a ta h u n te rs e b u t a d a la h m a s in g - m a sin g 71 p e ru s a h a a n d a n 68 p e ru s a h a a n .

M o d e l S p e s i f i k a s i d a n P e n g u k u r a n V a r i a b e l

Pengukuran Spesialisasi Industri dari Auditor

O le h k a re n a statu s sp e s ia lis a s i a u d ito r tid a k d a p a t d ia m a ti s e c a ra la n g su n g , m a k a p e n e litia n s e b e lu m n y a m e n g g u n a k a n b e b e ra p a p ro k s i u n tu k m e n g u k u r s p e s ia lisa si a u d ito r (B a lsa m e t al. 2 0 0 3 ). U k u ra n in i u m u m n y a m e lip u ti tu ru n a n dari p a n g s a p a sa r, d e n g a n a su m si b a h w a k e a h lia n d a la m in d u stri d ib e n tu k o le h k a re n a te ija d in y a p e n g u la n g a n d a la m s e ttin g a u d it y a n g s a m a di in d u stri te rse b u t, d a n k a re n a n y a ju m la h v o lu m e b isn is d i s e b u a h in d u stri m e ru p a k a n su atu k e a h lia n a ta u s p e s ia lis a s i (G ra m lin g et al. 2001 d a la m B a lsa m e t al. 2 0 0 3 ). P e n e litia n se b e lu m n y a m e n g g u n a k a n b e b e ra p a p ro k s i se b a g a i u k u ra n sp e s ia lisa s i in d u stri d ari a u d ito r th e B ig 4. P a d a a w aln y a , k e tik a a u d ito r b e s a r d iu k u r d e n g a n u k u ra n T h e B ig 8, a u d ito r d e n g a n sp e s ia lis a s i in d u stri u m u m n y a d id e fin isik a n se b a g a i a u d ito r y a n g m e la k u k a n a u d it le b ih d ari 10 p e rs e n d ari p e n d a p a ta n p e ru s a h a a n d a la m satu in d u stri (C ra s w e ll e t al. 19 95; D e fo n d 1992 d a la m K n e c h e l e t al. 2 0 0 7 ). S e te la h k o n s o lid a si d ari T h e B ig 8 m e n ja d i T h e B ig 6, m a k a p e n g u k u ra n sp e s ia lis a s i m e n ja d i 15 p e rs e n seb a g a i a m b a n g b a ta s (K rish n a n 2 0 0 3 d a la m K ris h n a n 2 0 0 4 ) h in g g a 2 0 p e rs e n (D u n n d a n M a y h e w 2 0 0 4 d a la m K n e c h e l e t al. 2 0 0 7 )12. K n e c h e l e t al. (2 0 0 7 ) m e n g g u n a k a n b a ta s a m b a n g s p e sia lisa si in d u stri 3 0 p e rs e n u n tu k m e y a k in k a n b a h w a T h e B ig 4 d ik la sifik a sik a n se b a g a i sp e s ia lis a s i in d u stri.

12

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d ito r T e r h a d a p . 5 5

P e n e litia n la in n y a m e n g u k u r sp e sia lisa s i d e n g a n ju m la h to ta l a s s e t a ta u to tal p e n d a p a ta n p e ru s a h a a n y a n g d ia u d it (B a lsa m e t al. 2 0 0 3 ; B e h n e t al. 2 0 0 8 ); ju g a d e n g a n m e n g g u n a k a n b a n y a k n y a k lie n d a la m s a tu in d u stri (B a lsa m e t al. 2 0 0 3 ) a ta u ju m la h k lie n m in im a l 10 d a la m sa tu in d u stri (B e h n e t al. 2 0 0 8 ).

P e n u lis m e n g g u n a k a n b e b e ra p a k o m b in a s i k rite ria p e n g u k u ra n sp esia lisasi in d u stri a u d ito r d ari B a lsa m e t al. 2 0 0 3 , C a im e y d a n Y o u n g 2 0 0 6 , K n e c k e l e t al. 2 0 0 7 , d an B e h n e t al. 2 0 0 8 , y a n g m e lip u ti a u d ito r in d u s tr y s h a r e (L E A D ) (m e n g g u n a k a n u k u ra n ju m la h to ta l a s s e t k lie n d a la m sa tu in d u s tri)13, d o m in a si a u d ito r d a la m s u a tu in d u s tri te rte n tu seb a g a i p e m a s o k te rb e sa r d a la m j a s a a u d it (D O M IN A N ) (d ih itu n g ju m la h te rb a n y a k k lie n d a la m sa tu in d u stri d an m in im a l 15% ju m la h k lie n y a n g d ia u d it d a la m s a tu in d u stri), d a n ju m la h k lie n te rb a n y a k d a la m sa tu in d u s tri (JK L IE N ).

M odel Empiris Earning Response Coefficient

M o d e l E a r n in g R e s p o n s e C o e ffic ie n t (E R C ) u n tu k m e n g u j i p e n g a ru h k u a lita s a u d it o le h T h e B ig 4 d ib a n d in g k a n d e n g a n n o n -B ig 4 , d a n a u d ito r B ig 4 d e n g a n s p e s ia lis a s i d a n n o n -s p e s ia lis a s i y a n g d ig u n a k a n d a la m p e n e litia n in i m e ru p a k a n p e n g e m b a n g a n d a ri m o d e l p e n e litia n B a lsa m e t al. (2 0 0 3 ). M o d e l p e n e litia n n y a a d a la h s e b a g a i b e rik u t:

C A R , = Yft + Y, U E R , + y, U E R , * N E G + y, U E R * B IG 4 , + y , U E R , * M T B ,i t 0 1 i t 2 i t i t 3 i t i t M i t i t

+ Y«UER *LNTA, +

y

.U E R *LEV., +

y

,U E R ,*GRW +

y

.U ER *

5 i t it * 6 i t it 1 7 it it 8 it

BETA.,

+ I y t » TAHUN., + ZYuo u e r . , * i n d u s t r i m+ c., ...

(

1

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C A R „= \ + \ U E R ., + \ U E R .,* N E G ., + \ U E R .,* S P C L ., + \ U E R .,* M T B „ + X. U E R * L N T A , + X,' U E R .,* L E V ., + 5 i t it 6 it it 7 U E R . *G R W + J i'u E R *it it 8 it BETA .,

+ 1 ^ , TAHUN,, + IX j10 U E R „ *IN D U ST R I „ + ef,

...(

2

)

d im a n a C A R a d a la h c u m m u l a t i f a b n o r m a l r e tu r n ; U E R a d a la h u n e x p e c te d e a r n in g ; N E G m e ru p a k a n in d ik a to r d a ri u n e x p e c te d e a r n in g y a n g n e g a tif (d ib e ri a n g k a 1, d an 0 u n tu k lain n y a); S P C L a d a la h v a ria b e l u n tu k a u d ito r d e n g a n sp e s ia lis a s i in d u stri y a n g d iu k u r d e n g a n b e b e ra p a in d ik a to r (L E A D , D O M IN A N , d a n JK L IE N );

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5 6 J u r n a l A k u n ta n s i d a n K e u a n g a n In d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . I, h a l 4 6 - 70

M T B a d a la h n ila i p a s a r e k u ita s d ib a g i d e n g a n n ila i b u k u e k u ita s; L N T A a d alah n ila i lo g a ritm a d ari to ta l a sse ts; L E V a d a la h le v e r a g e ; G R W a d a la h p e rtu m b u h a n p e n ju a la n ra ta -ra ta d a la m tig a ta h u n te ra k h ir; se rta T A H U N d a n IN D U S T R I a d alah in d ik a to r u n tu k v a ria b e l ta h u n dan. in d u stri. S u b s c r ip t i d a n t m a sin g -m a sin g m e n u n ju k k a n p e ru sa h a a n k lie n i d a n ta h u n t.

V aria bel te rik a t C A R m e ru p a k a n ju m la h k u m u la tif a b n o r m a l r e tu r n s e la m a s a tu ta h u n . S e d a n g k a n v a ria b e l U E R m e ru p a k a n v a ria b e l u n tu k m e n a n g k a p a d an y a e a r n in g s u r p r is e y a n g d iu k u r d e n g a n r a n d o m w a lk m o d e l, y a itu b e s a rn y a E P S ta h u n b e rja la n d ik u ra n g i d e n g a n E P S ta h u n s e b e lu m n y a . B e rd a s a rk a n p e n e litia n B a lsa m et a l. 2 0 0 3 , d a n p e n e litia n se b e lu m n y a v a ria b e l U E R d iin te ra k a sik a n d e n g a n v a ria b e l- v a ria b e l k o n tro l la in n y a 14, te rm a s u k v a ria b e l S P C L y a n g m e ru p a k a n in d ik a to r d ari a u d ito r s p e sia lisa si in d u stri. S esu ai d e n g a n p e n e litia n s e b e lu m n y a , v a ria b s l-v a ria b e l k o n tro l te rs e b u t m e m p e n g a ru h i E R C d a n m e m b e rik a n v a ria si d a la m E R C k a re n a fa k to r-fa k to r terseb u t.

U n tu k m e n g u ji h ip o te s is p e rta m a (H ,), p a d a p e rs a m a a n (1 ), d ih a ra p k a n a u d ito r T h e B ig 4 m e m ilik i k o e fisie n E R C y a n g le b ih b e s a r d a rip a d a a u d ito r n o n - B ig 4 a k a n te rlih a t p a d a k o e fisien y 3 p o s itif se b a g a i e fe k in k re m e n ta ln y a se te la h m e n g o n tro l se m u a fa k to r la in n y a d a la m m o d e l. H u b u n g a n C A R d a n U E R d e n g an a u d ito r T h e B ig 4 d a rip a d a n o n -B ig 4 a k an le b ih b e sa r, te rlih a t d ari k o e fisien (y ,+ y 3) y a n g e b ih b e s a r d a rip a d a k o e fisie n y, D e n g a n d e m ik ia n m e m b e rik a n im p lik a si b a h w a e a r n in g q u a lity d ari p e ru sa h a a n y a n g d ia u d it o le h T h e B ig 4 le b ih d a p a t d ia n d a lk a n d a rip a d a p e ru s a h a a n y a n g d ia u d it o le h a u d ito r n o n -B ig 4.

U n tu k m e n g u ji h ip o te s is k e d u a (K 2), p a d a p e rs a m a a n (2 ) d ih a ra p k a n a u d ito r T h e B ig 4 d e n g an s p e sia lisa si in d u stri a k a n m e m ilik i k o e fis ie n E R C y a n g le b ih tin g g i d a rip a d a a u d ito r B ig 4 ta n p a sp e s ia lis a s i, se te la h m e n g o n tro l s e m u a v a ria b e l sp esifik la in n y a d a la m m o d e l. H a l in i a k an te rlih a t dari k o e fisie n (y,+ 73) le b ih b e s a r d ari k o e fisien y ,, m e n a n d a k a n b a h w a d e n g a n b e ra lih k e p a d a a u d ito r T h e B ig 4 d e n g a n s p e sia lisa si in d u stri a k a n m e m ilik i k o e fisie n E R C y a n g le b ih b e sa r d ib a n d in g k a n b ila d ia u d it o le h a u d ito r B ig 4 ta n p a sp e sia lisa s i in d u stri.

V aria b el N E G d ig u n a k a n u n tu k m e n u n ju k k a n p e ru s a h a a n d e n g a n u n e x p e c te d

e a r n in g n e g atif. P a d a p e n e litia n s e b e lu m n y a (B a lsa m e t al. 2 0 0 3 ; B a su 1997; H a n y

1995 d a la m B a lsa m e t al. 2 0 0 3 ), p a s a r m e n ila i n e g a t i f e a r n in g d a n u n e x p e c te d e a r n in g s e c a ra b e rb e d a. B a h w a E R C u n tu k n e g a t i f e a r n in g s u r p r is e leb ih re n d a h d a ri E R C u n tu k p o s itif e a r n in g s u r p r is e (F ra n c is e t al. 2 0 0 2 ).

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 5 7

B E T A m e ru p a k a n u k u ra n d a ri ris ik o s is te m a tik d a n d ih a ra p k a n m e m ilik i h u b u n g a n n e g a tif d e n g a n E R C . S e m a k in tin g g i b e ta s a h a m p e ru s a h a a n , s em a k in re n d a h E R C (C o llin s d a n K o th a ri 1989; d a n E a s to n d a n Z m ije w s k i 1989 d a lam S c o tt 2 0 0 9 ). M e n g ik u ti p e n e litia n s e b e lu m n y a (D h a liw a l e t al. 1991 d a la m S co tt 2 0 0 9 ), s tru k tu r m o d a l ju g a m e m p e n g a ru h i v a ria si d a la m E R C , y a itu se m a k in tin g g i tin g k a t le v e r a g e (L E V ) p e ru s a h a a n s e m a k in re n d a h E R C . Ju g a B id d le d a n S eo w (1 9 9 1 ) d a la m D e c h o w d a n S c h ra n d (2 0 0 4 ,8 5 ) m e n u n ju k k a n b a h w a E R C a k a n leb ih tin g g i p a d a in d u stri y a n g m e m ilik i p o te n s i p e rtu m b u h a n y a n g tin g g i, ’b a r r ie r s to e n tr y ’, d a n m e n g h a s ilk a n ’n o n - d u r a b le g o o d s ’, M e re k a ju g a m e n u n ju k k a n b a h w a E R C a k a n le b ih re n d a h p a d a in d u s tri y a n g m e m ilik i tin g k a t le v e r a g e f i n a n c i a l d a n o p e ra si y a n g le b ih tin g g i. O le h k a re n a itu p e n u lis m e n g g u n a k a n v a ria b e l g r o w th (G R W ), y a n g d iu k u r d e n g a n tin g k a t p e n ju a la n p e ru s a h a a n ra ta -ra ta s e la m a tiga, ta h u n te ra k h ir; d a n ju g a m e n g ik u ti B a lsa m e t al. (2 0 0 3 ), d a n C o llin s d a n K o th a ri (1 9 8 9 ) d a la m S c o tt (2 0 0 9 ) m e m a s u k k a n v a ria b e l g r o w th o p p o r tu n ity y a n g d iu k u r d e n g a n m a r k e t to b o o k v a lu e e q u ity (M T B ). P e n e litia n s e b e lu m n y a ju g a m e n g g u n a k a n u k u ra n p e ru s a h a a n seb a g a i k o n tro l, y a n g d iu k u r d e n g a n n a tu r a l

lo g a r ith m d ari to ta l a s s e ts , L N T A (B o w e n e t al. 1992 d a la m B a lsa m e t al. 2 0 0 3 ;

B a lsa m e t al. 2 0 0 3 )15. P e n u lis tid a k m e n e n tu k a n p re d ik s i h u b u n g a n ini. V aria bel k o n tro l la in n y a a d a la h T A H U N d a n IN D U S T R I u n tu k m e n g o n tro l p e n g a ru h ta h u n d a n in d u s tri te rh a d a p E R C .

S e su ai d e n g a n p e n je la s a n d ia ta s k e c u a li u n tu k L N T A , m a k a e k sp e k ta si h a sil k o e fisie n in te ra k si U E R d e n g a n v a ria b e l k o n tro l N E G , B E T A , L E V a d a la h n e g a tif, d a n in te ra k si U E R d e n g a n M T B d a n G R W a d a la h p o sitif.

H A S I L P E N E L I T I A N

S t a t i s t i k D e s k r i p t i f d a n K o r e l a s i

S ta tistik d e s k r ip tif u n tu k m a s in g -m a sin g v a ria b e l te rik a t d a n v a ria b e l b e b a s d a p a t d ilih a t p a d a T abel 1 b a ik u n tu k s e lu ru h sam p e l p e ru s a h a a n , p e ru s a h a a n y a n g d ia u d it o le h T h e B ig 4 , d a n u n tu k sa m p e l p e ru s a h a a n y a n g d ia u d it o le h a u d ito r n o n - B ig 4. S e d a n g k a n k o re la s i a n ta r v a ria b e l te rd a p a t p a d a T abel 2, b a ik u n tu k s e lu ru h s a m p e l, sam p e l p e ru s a h a a n d e n g a n a u d ito r T h e B ig 4 d a n sam p e l p e ru s a h a a n d e n g a n a u d ito r n o n -B ig 4.

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 5 9

T in g k a t p e rtu m b u h a n k lie n a u d ito r T h e B ig 4 j u g a b e rb e d a , m e d ia n M T B d a n m e d ia n G R W 17 d ib a n d in g k a n k lie n a u d ito r n o n -B ig 4 m a sin g m a sin g 1,15, d a n 0 ,1 3 ; d e n g a n 0 ,6 5 d a n 0 ,1 5 . P e ru s a h a a n d e n g a n a u d ito r T h e B ig 4, m e m ilik i ris ik o siste m a tis ( m e a n B E T A ) y a n g le b ih re n d a h d a ri p e ru s a h a a n d e n g a n a u d ito r n o n -B ig 4 (0 ,0 7 8 d ib a n d in g k a n d e n g a n 0 ,0 8 3 ). T erak h ir, tin g k a t le v e r a g e (m e a n L E V ) k lie n d e n g a n a u d ito r n o n -B ig 4 y a n g le b ih k e c il d ari T h e B ig 4 , m e n u n ju k k a n k o n d isi y a n g tid a k k o n siste n d e n g a n te o ri, d im a n a u m u m n y a p e ru s a h a a n b e sa r s e c a ra r e la tif m e m ilik i tin g k a t le v e r a g e y a n g le b ih tin g g i. M e a n d a n m e d ia n ju m la h k lie n d a ri a u d ito r T h e B ig 4 (b a ik d e n g a n sp e sia lis a s i d a n n o n -s p e s ia lis a s i in d u stri) m a s in g -m a sin g 9 ,4 8 d a n 6,0 0 .

T a b e l 2

M a t r i k s K o r e l a s i V a r ia b e l B e b a s d a n T e r ik a t

P a n e l A ( K l i e n A u d i t o r B i e 4 d a n N o n - - B i g 4 1

V a r i a b e l C A R U E R T A M T B L E V G R W B E T A

C A R 1 , 0 0 0

U E R 0 , 2 3 1 1 , 0 0 0

T A 0 , 0 4 8 0 , 0 0 4 1 , 0 0 0

M T B 0 , 0 7 4 0 , 0 0 8 0 , 1 4 4 1 , 0 0 0

L E V 0 , 0 6 3 0 , 1 9 2 0 , 1 3 0 0 , 0 7 5 1 , 0 0 0

G R W 0 , 0 1 4 0 , 0 3 9 0 , 0 4 3 0 , 0 5 3 0 , 0 5 9 1 , 0 0 0

B E T A 0 , 0 0 2 0 , 1 1 1 0 , 1 1 8 0 , 0 5 3 0 , 0 1 1 0 , 0 6 5 1 , 0 0 0

P a n e l B ( K l i e n A u d i t o r n o n - B i e 4 ^

V a r i a b e l C A R U E R T A M T B L E V G R W B E T A

C A R 1 , 0 0 0

U E R 0 , 2 2 7 1 , 0 0 0

T A 0 , 0 1 9 0 , 0 0 6 1 , 0 0 0

M T B 0 , 0 5 1 0 , 1 3 3 0 , 0 9 5 1 , 0 0 0

L E V 0 , 2 1 8 0 , 2 0 3 0 , 1 6 5 0 , 0 3 9 1 , 0 0 0

G R W 0 , 0 9 7 0 , 0 4 9 0 , 0 9 7 0 , 0 4 2 0 , 2 2 7 1 , 0 0 0

B E T A 0 , 0 9 1 0 , 1 3 4 0 , 0 2 8 0 , 0 0 7 0 , 0 6 1 0 , 0 3 8 • 1 , 0 0 0

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P a n e l C ( K l i e n A u d i t o r B ig 4 ~ )

V a r i a b e l C A R U E R T A M T B L E V G R W B E T A

C A R 1 , 0 0 0

U E R 0 , 2 8 1 1 , 0 0 0

T A 0 , 1 2 3 0 , 0 4 4 1 , 0 0 0

M T B 0 , 0 7 4 0 , 1 0 3 0 , 1 8 8 1 , 0 0 0

L E V 0 , 1 7 0 0 , 1 4 6 0 , 1 6 3 0 , 1 5 1 1 , 0 0 0

G R W 0 , 1 0 4 0 , 0 1 0 0 , 1 6 1 0 , 1 6 3 0 , 1 3 8 1 , 0 0 0

B E T A 0 , 0 6 0 0 , 0 5 6 0 , 1 4 5 0 , 1 1 9 0 , 0 1 0 0 , 2 0 1 1 , 0 0 0

L E A D 0 , 0 1 9 0 , 0 5 4 0 , 1 4 1 0 , 1 4 4 0 , 1 6 0 0 , 0 5 7 0 , 1 1 3

D O M I N A N 0 , 0 4 8 0 , 0 0 3 0 , 0 8 0 0 , 0 8 9 0 , 1 2 9 0 , 0 1 5 0 , 0 0 6

J K L I E N 0 , 0 0 9 0 , 0 0 7 0 , 1 2 9 0 , 1 4 7 0 , 2 2 3 0 , 0 1 4 0 , 0 7 5

D e fin is i v a ria b le :

C A R = C u m m u l a t i f a b n o r m a l r e tu r n b e rd a s a rk a n m o d e l p a s a r s e la m a s a tu ta h u n d ih itu n g p a d a a w a l ta h u n d a n a k h ir ta h u n

U E R = U n e x p e c te d e a r n in g s , y a itu e a r n in g s u r p r is e u n tu k p e r u s a h a a n i y a n g d ih itu n g b e r d a s a rk a n m o d e l r a n d o m w a lk , y a itu E P S p a d a a k h ir ta h u n t d ik u r a n g i E P S ta h u n s e b e lu m n y a t- 1 , d is k a la d e n g a n n ila i n o m in a l sa h a m b ia s a

L E A D = a d a la h ju m la h a k a r d a ri to t a l a s s e ts k lie n d a la m s a tu s u b - in d u s tri d is k a la d e n g a n j u m la h

a k a r d a ri t o t a l a s s e ts s e lu r u h k lie n a u d ito r d a la m in d u s tri m a n u la k tu r

D O M I N A N = d ib e ri a n g k a 1 ji k a a u d ito r m e n g u a s a i m in im a l 15% d a ri j u m la h to ta l k lie n d a la m s a tu s u b - in d u s tri, d a n 0 j i k a la in n y a

J K L I E N = a d a la h ju m la h to ta l k lie n y a n g d ia u d it d a la m s a tu s u b - in d u s tri M T B = a d a la h n ila i p a s a r e k u ita s d ib a g i d e n g a n n ila i b u k u e k u ita s

L N T A = n a tu ra l lo g a r ith m d a ri to t a l a s s e ts

L E V = le v e r a g e , y a itu ra s io to ta l k e w a jib a n ( d e b t) te r h a d a p t o t a l a s s e t

G R W = a d a la h tin g k a t ra ta -ra ta p e rtu m b u h a n p e n ju a la n p e ru s a h a a n k lie n s e la m a 3 (tig a ) ta h u n te r a k h ir

B E T A = a d a la h u k u ra n ris ik o s is te m a tis d ih itu n g d e n g a n m e n g g u n a k a n b e ta k o re k s i s e la m a 12 b u la n

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H e r u s e ty a , P e n g a r u h U k u r a n A u d ito r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 61

H a s i l P e n g u j i a n E m p i r i s

T abel 3 m e n u n ju k k a n h a sil re g re si se lu ru h p e n g u jia n a ta s h ip o te s is p e rta m a (H ,) d a n k e d u a (H 2).

H asil Pengujian Hipotesis Pertama (H)

P e n g u jia n te rh a d a p H , p a d a ta b e l 3 d e n g a n s e lu ru h sa m p e l (n = 139) m e n u n ju k k a n tid a k te rd a p a tn y a p e rb e d a a n k u a lita s a u d ito r T h e B ig 4 d a n n o n -B ig 4 a ta s k u a lita s ( in fo r m a tiv e n e s s ) la b a y a n g d itu n ju k k a n d e n g a n E R C . K o e fisien U E R * B IG 4 m e n u n ju k k a n ta n d a n e g a tif tid a k sig n ifik a n (-0 ,5 2 )— b e rb e d a d e n g a n p e n e litia n s e b e lu m n y a y a n g m e m ilik i ta n d a p o sitif. W a la u p u n m o d e l p e n e litia n s e c a ra k e se lu ru h a n m e m ilik i F -sta tis tik 3 ,5 1 , n a m u n v a ria s i a d ju s te d R 2 c u k u p re n d a h y a itu s e b e s a r 0,13.

P e n g u jia n a tas v a ria b e l k o n tro l m e n u n ju k k a n h a sil seb a g a i b e rik u t. H a sil in te ra k si U E R d e n g a n M T B k o n s iste n d e n g a n p e n e litia n se b e lu m n y a y a n g m e n u n ju k k a n h u b u n g a n a so sia si p o s itif s ig n ifik a n (0 ,1 3 3 d e n g a n tin g k a t sig . 5 % ), y a n g b e ra rti p e rtu m b u h a n p e ru s a h a a n m e m b e rik a n sig n a l y a n g p o s itif te rh a d a p p asar. K o n siste n ju g a d e n g a n p e n e litia n s e b e lu m n y a , h a sil in te ra k si U E R d e n g a n L E V d a n B E T A m e n u n ju k k a n a d a n y a a so s ia si n e g a tif s ig n ifik a n (d e n g a n tin g k a t sig. 1% ), m a s in g -m a sin g s e b e s a r -3 ,4 7 d a n -2 5 ,0 4 . H a l ini m e n g im p lik a s ik a n b a h w a p e ru s a h a a n d e n g a n tin g k a t le v e r a g e d a n risik o y a n g le b ih tin g g i m e m ilik i E R C y a n g le b ih re n d a h . S e d a n g k a n p e n g u jia n in te ra k si U E R * L N T A m e n u n ju k k a n tid a k a d a n y a h u b u n g a n a so sia si y a n g sig in ifik a n d e n g a n C A R , k o n s is te n d e n g a n h a sil p e n e litia n B a lsa m e t al. (2 0 0 3 ) d a n K n e c h e l e t al. (2 0 0 7 ).

D a p a t d is im p u lk a n d ari h a sil p e n g u jia n a ta s h ip o te s is p e rta m a (H ,) te rs e b u t di a ta s m a sih b e lu m d a p a t m e m b e rik a n b u k ti a d a n y a p e rb e d a a n d a la m k u a lita s a u d it y a n g te rc e rm in d a la m k u a lita s la b a (d iu k u r d e n g a n E R C ), b a h w a k u a lita s a u d it y a n g d itu n ju k k a n d e n g a n u k u ra n p e ru s a h a a n k a n to r a k u n ta n p u b lik (T h e B ig 4 a ta u n o n - B ig 4 ). P e n g u jia n s e la n ju tn y a in g in m e m b u k tik a n a p a k a h h a n y a d e n g a n sa m p e l p e ru s a h a a n y a n g d ia u d it o le h a u d ito r T h e B ig 4 , d a p a t d ib e d a k a n b a h w a a u d ito r d e n g a n sp esia lisasi in d u stri le b ih m e m ilik i k u a lita s la b a d itu n ju k k a n d e n g a n E R C d ib a n d in g k a n p e ru s a h a a n y a n g d ia u d it o le h a u d ito r ta n p a sp e sia lisa s i.

H asil Pengujian Hipotesis Kedua (HJ

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6 2 J u r n a l A k u n ta n s i d a n K e u a n g a n I n d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

JK L IE N a d a la h 0 ,3 1 0 ; 0 ,3 0 6 ; d a n 0 ,3 0 7 , d im a n a m o d e l d e n g a n sa m p e l p e ru s a h a a n y a n g d ia u d it o le h a u d ito r th e B ig 4 (n = 71) m e m ilik i tin g k a t v a ria si y a n g leb ih b e s a r d ib a n d in g k a n d e n g a n se lu ru h sam p e l (n = 139) s e b e s a r 0 ,1 2 7 .

H a sil p e n g u jia n m e n u n ju k k a n b a h w a tid a k te rd a p a t a so sia si p o s itif a n ta ra C A R d a n U E R , te rlih a t d ari k o e fisie n U E R u n tu k k e tig a p e n g u k u ra n s p e sia lisa si in d u s tri n e g a tif tid a k sig n ifik a n , d a n b e rb e d a a ra h d e n g a n p e n e litia n s e b e lu m n y a . K o e fis ie n u k u ra n E R C y a n g m e m b e d a k a n a u d ito r d e n g a n sp e s ia lis a s i u n tu k k e tig a uk U ran L E A D , D O M IN A N , d a n JK L IE N ju g a tid a k sig n ifik an . M a s in g -m a s in g p o s itif tid a k sig n ifik a n u n tu k L E A D d a n D O M IN A N s e b e sa r 11,05 d a n 0 ,1 4 , d an n e g a ti f tid a k sig n ifik a n u n tu k v a ria b e l JK L IE N s e b e s a r -0 ,0 2 .

S e d a n g k a n v a ria b e l e stim a si U E R * N E G m e n u n ju k k a n a so s ia si n e g a tif sig n ifik a n te rh a d a p C A R u n tu k k e tig a u k u ra n L E A D , D O M IN A N , d a n JK L IE N , m a s in g -m a s in g 0,011 (p a d a le v e l 5% ), -0 ,9 7 7 (p a d a le v el 10% ), d a n -0 ,9 6 7 (p a d a le v e l 10% ). H a l in i k o n s is te n d e n g an p e n e litia n s e b e lu m n y a , b a h w a p a s a r leb ih m e m b e ri p e n ila ia n n e g a tif p a d a p e ru s a h a a n d e n g a n u n e x p e c te d e a r n in g n e g a t i f d ib a n d in g k a n p e ru sa h a a n d e n g a n u n e x p e c te d e a r n in g p o s itif.

S e d a n g k a n p e n g u jia n te rh a d a p v a ria b e l k o n tro l a d a la h s e b a g a i b e rik u t. K o e fis ie n in te ra k si v a ria b e l k o n tro l U E R * M T B u n tu k k e tig a p e n g u k u ra n L E A D , D O M IN A N , d a n J K L IE N m e n u n ju k k a n k o n s iste n d e n g a n p e n e litia n s e b e lu m n y a y a itu p o s itif sig n ifik a n (d e n g a n tin g k a t sig. 1% ) m a sin g -m a s in g 0 ,2 5 7 , 0 ,2 4 6 , 0 ,2 4 9 . S e d a n g k a n k o e fisie n in te ra k si U E R * L E V ju g a k o n s iste n d e n g a n p e n e litia n s e b e lu m n y a u n tu k k e tig a p e n g u k u ra n L E A D , D O M IN A N , d a n JK L IE N , y a itu n e g a ti f sig n ifik a n (d e n g a n tin g k a t sig .5 % m a sin g -m a sin g ) -4 ,8 4 , -4 ,7 6 , -4 ,5 1 . K o e fis ie n in te ra k si U E R * B E T A , U E R * L N T A , d a n U ER .*G R W u n tu k k e tig a u k u ra n tid a k sig n ifik a n sem u a . P e n je la sa n y a n g a d a a d a la h a d a n y a k e m u n g k in a n s e m u a v a ria b e l te rse b u t s u d a h te rc e rm in p a d a k o e fisien U E R * M T B se b a g a i u k u ra n d a ri p e rtu m b u h a n d a n ris ik o , s e b a g a im a n a y a n g d in y a ta k a n E a sto n d a n Z m ije w s k i (1 9 8 9 ) d a la m S c o tt (2 0 0 9 ). H a sil p e n g u jia n y a n g d ila k u k a n o le h B a ls a m e t al. (2 0 0 3 ) d a n K n e c h e l e t al. (2 0 0 7 ) ju g a m e n u n ju k k a n tid a k a d a n y a h u b u n g a n a so sia si s ig n ifik a n a n ta ra C A R d a n to ta l a s s e t seb a g a i p ro k si dari u k u ra n p e ru s a h a a n .

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H e r u s e ty a , P e n g a r u h U k u r a n A u d i t o r d a n S p e s ia lis a s i A u d i t o r T e r h a d a p . 6 5

Pengujian Tambahan

H a sil p e n g u jia n a tas h ip o te s is p e rta m a d a n k e d u a tid a k m e m b e rik a n b u k ti y a n g m e n d u k u n g p e n e litia n s e b e lu m n y a . O le h k a re n a itu d ia d a k a n p e n g u jia n ta m b a h a n y a n g m e lip u ti p e n g u jia n a ta s sen sitifitas p e n g u k u ra n s p e s ia lisa si in d u stri d a n p e n g u jia n k h u s u s u n tu k p e ru sa h a a n d e n g a n a u d ito r n o n -B ig 4.

P e n g u jia n d e n g a n S a m p e l P e r u s a h a a n A u d i to r n o n - B ig 4

P e n g u jia n s e b e lu m n y a in g in m e lih a t a p a k a h te rd a p a t p e rb e d a a n d a lam k u a lita s a u d it y a n g d ila k u k a n o le h a u d ito r T h e B ig 4 d e n g a n n o n -B ig 4 te rh a d a p k u a lita s la b a y a n g d iu k u r d e n g a n E R C . N a m u n tid a k te rd a p a t b u k ti y a n g m e n d u k u n g p e n e litia n s e b e lu m n y a b a h w a a u d ito r th e B ig 4 m e m ilik i k u a lita s a u d it y a n g le b ih tin g g i d a ri a u d ito r n o n -B ig 4 , te rc e rm in d ari E R C y a n g le b ih tin g g i.

P e n e litia n -p e n e litia n s e b e lu m n y a m e n g u ji sa m p e l p e n g u jia n p a d a p a sa r y a n g te la h b e rk e m b a n g , k h u s u sn y a di n e g a ra d e n g a n p a s a r m o d a l y a n g le b ih efisien , d e n g a n p e rlin d u n g a n in v e sto r y a n g le b ih tin g g i d a n siste m h u k u m y a n g le b ih k u at. S e m u a in i m e ru p a k a n fa k to r k u n c i d a la m k o n te k s p e n g u jia n — d im a n a v a lid ita s d a ta le b ih a k u ra t, le b ih d a p a t d ia n d a lk a n , te rs e d ia d a ta b a s e y a n g m e m a d a i, d a n re a k si p a s a r te rg o lo n g s e m i stro n g . N a m u n u n tu k le b ih m e n y a k in k a n h a s il p e n e litia n p a d a b a g ia n s e b e lu m n y a y a n g b e lu m te rb u k ti, p e n u lis m e la k u k a n p e n g u jia n ta m b a h a n u n tu k m e lih a t a p a k a h te rd a p a t h u b u n g a n a so sia si C A R d e n g a n U E R u n tu k p e ru s a h a a n d e n g a n a u d ito r n o n -B ig 4 , d e n g a n sa m p e l 68 p e ru s a h a a n y a n g d ia u d it o le h a u d ito r n o n -B ig 4.

H a sil p e n g u jia n ta m b a h a n in i te rd a p a t p a d a T ab el 3. K e sim p u la n p e n g u jia n ta m b a h a n j u g a tid a k m e m b e ri b u k ti y a n g m e m a d a i b a h w a p a s a r b e re a k s i s ig n ifik a n te rh a d a p p e ru s a h a a n y a n g d ia u d it o le h a u d ito r n o n -B ig 4 (k o e fisie n U E R d a n U E R * N E G tid a k sig n ifik a n ). V ariab el k o n tro l la in n y a j u g a tid a k a d a sa tu p u n y a n g sig n ifik a n y a n g m e n c e rm in k a n a d a n y a h u b u n g a n a so sia si d e n g a n C A R . B a h k a n a d j u s t e d R 2 s a n g a t re n d a h y a itu 0 ,0 43 d a n F -s ta tis tik tid a k sig n ifik a n (1 ,4 3 ).

P e n g u jia n S e n s itifita s P e n g u k u r a n A u d i to r S p e s ia lis a s i I n d u s tr i

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6 6 J u r n a l A k u n ta n s i d a n K e u a n g a n In d o n e s ia , J u n i 2 0 0 9 , Vol. 6, N o . 1, h a l 4 6 - 70

s p e s ia lis a s i in d u stri. P e n g u jia n te rh a d a p v a ria b e l k o n tro l la in n y a , m e n y im p u lk a n b a h w a k o e fisie n e stim a s i v a ria b e l in te ra k si U E R * M T B d a n U E R * L E V m a sin g - m a s in g m e m ilik i h u b u n g a n a so s ia si sig n ifik a n p o s itif (p a d a t a r a f n y a ta 1% ) dan n e g a tif (p a d a ta r a f n y a ta 1% ) y a itu s e b e sa r 0 ,2 5 d a n -4 ,7 4 te rh a d a p C A R .

K E S I M P U L A N , K E T E R B A T A S A N D A N S A R A N

P e n e litia n s e b e lu m n y a m e m b u k tik a n b a h w a a u d ito r T h e B ig 4 m e m ilik i k u a lita s a u d it y a n g le b ih tin g g i d a rip a d a a u d ito r n o n -B ig 4 (T eo h d a n W o n g 1993), ju g a a u d ito r T h e B ig 4 d e n g a n sp e sia lis a s i in d u stri m e m ilik i k u a lita s a u d it y a n g le b ih tin g g i d a ri a u d ito r T h e B ig 4 ta n p a s p e sia lisa si in d u stri (B a lsa m e t al. 2 0 0 3 ; B e h n e t al. 2 0 0 8 ; K n e c h e l e t al. 2 0 0 7 ; R o m a n u s e t al. 2 0 0 8 ).

D e n g a n m e n g g u n a k a n sa m p e l 139 f i r m y e a r s d ari p e ru s a h a a n p u b lik p a d a s e k to r m a n u fa k tu r (d e n g a n s u b -in d u stri s e k to r in d u stri D a s a r d a n K im ia ; C o n s u m e r G oods', d a n a n e k a in d u s tri) y a n g d ia u d it o ie h k a n to r a k u n ta n p u b lik , b a ik T h e B ig 4 m a u p u n n o n -B ig 4 u n tu k ta h u n 2 0 0 5 -2 0 0 6 , p e n e litia n in i in g in m e n g u ji a p ak a h te rd a p a t b u k ti b a h w a p e ru s a h a a n y a n g d ia u d it o leh T h e B ig 4 m e m ilik i k u a lita s la b a (d iu k u r d e n g a n E R C ) y a n g le b ih tin g g i d ib a n d in g k a n d e n g a n p e ru s a h a a n y a n g d ia u d it o leh k a n to r a k u n ta n p u b lik n o n -B ig 4. S e la in itu in g in d iu ji ju g a a p a k a h p e ru s a h a a n d e n g a n a u d ito r T h e B ig 4 d e n g a n s p e sia lisa si in d u stri m e m ilik i k u a lita s la b a (d iu k u r d e n g a n E R C ) y a n g le b ih tin g g i d ib a n d in g k a n d e n g a n n o n - s p e s ia lis a s i.

H a sil p e n g u jia n b e lu m d a p a t m e m b e ri b u k ti y a n g k o n s iste n (k e c u a li u n tu k b e b e ra p a v a ria b e l k o n tro l), b a h w a te rd a p a t p e rb e d a a n d a la m k u a lita s la b a b ag i p e ru s a h a a n y a n g d ia u d it b a ik o le h a u d ito r T h e B ig 4 , m a u p u n a u d ito r d e n g a n s p e s ia lisa si in d u stri. P e n g u jia n ta m b a h a n a ta s p e ru sa h a a n y a n g d ia u d it o leh a u d ito r n o n -B ig 4 ju g a tid a k m e m b e ri b u k ti a d a n y a h u b u n g a n a so sia si C A R d e n g an

u n e x p e c te d e a r n in g (U E R ). P e n g u jia n sen sitifitas a ta s p e n g u k u ra n s p e sia lisa si

D O M IN A N , j u g a b e lu m d a p a t m e m b e rik a n b u k ti b a h w a k a n to r a k u n ta n T h e B ig 4 d e n g a n sp e s ia lisa s i le b ih s u p e rio r d ib a n d in g k a n n o n -sp e sia lis a s i. P e n je la sa n a k a n h a l in i a d a la h k e m u n g k in a n b e s a r d is e b a b k a n o le h k u ra n g n y a in d e p e n d e n si a u d ito r, s e h in g g a in fo rm a s i la b a tid a k m e m p e n g a ru h i re a k si p asar, s e rta le m a h n y a in fo r m a tiv e n e s s d a ri la b a p e ru s a h a a n p u b lik d i In d o n e sia (w a la u p u n h al in i m a sih p e rlu d ib u k tik a n d a la m p e n e litia n se la n ju tn y a ) (M a rc h e si 2 0 0 0 ; B a m b e r d a n Iy e r 2 0 0 7 ; A li d a n H u a n g 2 0 0 0 ; H u n g 2 0 0 1 ).

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H e r u s e ty a , P e n g a r u h U k u r a n A u d ito r d a n S p e s ia lis a s i A u d ito r T e r h a d a p . 6 7

le b ih tin g g i, d a n p a s a r m e m b e ri re a k si p o s itif te rh a d a p p e ru s a h a a n d e n g a n tin g k a t p e rtu m b u h a n y a n g le b ih tin g g i b a g i p e ru sa h a a n y a n g d ia u d it o le h k a n to r a k u n ta n T h e B ig 4.

Im p lik a si d a n k e te rb a ta s a n p e n e litia n in i m e n a n d a k a n b a h w a k u a lita s a u d it y a n g d iu k u r d e n g a n re a k si p a sa r m a sih b e lu m d a p a t te rc e rm in d a la m p e n g g u n a a n u k u ra n d a la m m o d e l e m p iris di atas. K e te rb a ta s a n d a la m p e n g u k u ra n sp e s ia lis a si a u d ito r m e la lu i tig a je n is p e n g u k u ra n (L E A D , D O M IN A N , d a n J K L IE N ) k e m u n g k in a n b e lu m m e n g -c a p tu r e re a lita s d ari u k u ra n s p e s ia lisa si y a n g ada, m e n g in g a t h a n y a a d a 3 su b -in d u s tri y a n g d ig u n a k a n seb a g a i u k u ra n sp e s ia lis a s i in d u stri. D a n te ra k h ir, p e n g u k u ra n d a la m C A R (a b n o r m a l r e tu r n ) s e la m a satu ta h u n , k e m u n g k in a n te rd a p a t m e a s u r e m e n t e rro r.

K a re n a a d a n y a k e te rb a ta s a n p e n e litia n s e b a g a im a n a d is e b u tk a n d i atas, m a k a p a d a p e n e litia n se la n ju tn y a se b a ik n y a m e m fo k u s k a n p a d a u k u ra n sa m p e l y a n g le b ih b esar, d e n g a n in d u stri (s u b -in d u s tri) y a n g le b ih b a n y a k , p e n g g u n a a n

e v e n t s t u d y p a d a ta n g g a l a n n o u n c e m e n t d a te d a ri p e n g u m u m a n la b a u n tu k

m e n g u k u r c u m m u la tiv e a b n o r m a l re tu r n (d e n g a n s h o r t w in d o w ) y a n g le b ih a k u ra t, s e rta d a p a t m e n g g u n a k a n p e n g u k u ra n k u a lita s la b a la in n y a y a n g le b ih r e p re s e n ta tif s e la in p e n g u k u ra n re a k si p a sa r, m is a ln y a d e n g a n p e n g u k u ra n tin g k a t d is c r e tio n a r y

a c c r u a ls sep e rti p a d a p e n e litia n B a lsa m e t al. (2 0 0 3 ).

D A F T A R P U S T A K A

A rd ia ti, A . Y. “ P e n g a ru h M a n a je m e n L a b a T e rh a d a p R e tu rn S a h a m P a d a P e ru s a h a a n Y an g D ia u d it K A P B ig 5 D a n K A P N o n B ig 5 .” J u r n a l R is e t A k u n ta n s i I n d o n e s ia 8, n o . 3 (2 0 0 5 ): 2 3 5 -2 4 9 .

A li, A . a n d L. H u a n g . “ C o u n try S p esific F a c to rs R e la tie d to F in a n c ia l R e p o rtin g a n d T h e V alu e R e le v a n c e o f A c c o u n tin g D a ta .” J o u r n a l o f A c c o u n tin g R e s e a r c h 3 8 ( 2 0 0 0 ) : 1-21.

A re n s, A .A , et. al. A u d itin g a n d A s s u r a n c e S e r v ic e - A n I n te g r a te d A p p r o a c h 1 2 ,h. P e a rs o n , 2 0 0 8 .

B a ll, R . a n d L. S h iv a k u m a r.“ E a m in g s Q u a lity In U K P riv a te F irm s: C o m p a ra tiv e L o ss R e c o g n itio n T im e lin e s s.” J o u r n a l o f A c c o u n tin g a n d E c o n o m ic s 3 9 (2 0 0 5 ): 8 3 -1 2 8 .

B all, R . a n d L. S h iv a k u m a r. “ E a rn in g Q u a lity at In itial P u b lic O ffe rin g s .” J o u r n a l

o f A c c o u n tin g a n d E c o n o m ic s (2 0 0 8 ).

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