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"56%""0+.!*0"40 -!7.0
!"*+ 12!$"56"!*0""0+40 !"
'1"!5"0"40".*
! " # "$%!& "$'#" (%)
*"#+"),- * 1 % # /()0 3 (-' # # " "'#" # *"
*5!"*+$$"56"0+!5"0"40
"600+$$1 12"#" *$40!!"
*+ !"$#
!"*+ $ 2 9 !"*+
'! ' !"*+'6 *5"3!*2!"$#
!"*+'! %"5"3!" 3 ! ' 03 #*0""!" : $ -!*5"3!*2
!"$#
EP = ( (Q 3 Q) / (P 3 P ) ) X (P / Q) P #!0"$ $"'
P # $ $"'
2
Q 03 #!0"$ $"' Q 03 # $ $"'
*5!"*+'6 %"5"3!""
9.*+ *5"3!!"$#
EP = ( ( Q 3 Q) / (P 3 P ) ) X ( (P + P )/ ( Q + Q) )
"0+!"*+$$40 *40!
!"$#
(P)
$ &
(Q)
$ (TR = P x Q)
$
$; * ( MR =
!"*=!' TR / !"*=!' Q )
()#%&'
&#' (EP)
100 1 100 - -
90 2 180 80 -6.33
80 3 240 60 -3.44
70 4 280 40 -2.14
60 5 300 20 -1.44
50 6 300 0 -1.00
40 7 280 -20 -0.69
30 8 240 -40 -0.47
20 9 180 -60 -0.29
10 10 100 -80 -0.16
"0+!"*+2 "."56"0+
!"405"39.#! ""$#*5"3!*2
!"*+'6 *5"3!"
*+*0" 3 !*0" 40 " -!2 $"56"5"3
!
P 50 " P 40 "
Q 6 " Q 7 "
3
EP = ( ( Q 3 Q) / (P 3 P ) ) X ( (P + P )/ ( Q + Q) ) EP = ( ( 7 3 6) / (403 50) ) X ( (50+ 40)/ ( 6 + 7) ) EP = - 0.69
2 #"!"*+ $%" ,!$@ *
#"$#" !*0"' 03 #*0"120-9$0&$*""
* *1 !"*+$0! ,!$-
'!$"0+!"*+ $1 0+40 *$.03!*23+!"
#"$#5.03 03*0"$125.0#": #' 1 " " 10 " -!$ !! : **!!"$#
/ EP / > 1 *1 40.0*2#" ( ' P = 60 3 100 $ &)
/ EP / = 1 *1 40*2*! (P = 50 $ &) / EP / < 1 *1 40 ! (P = 10 3 40 $ &)
"" *$ ! "6$ / EP / > 1 126 4+"
!*0" *1 12!$*2#"
"6$ / EP / = 1 %"6$12!*2*!
"6$ / EP / < 1 126 4+".0*0"#"
*1 12!$*2#" ('*1 *0"!"03$
" )
1 0+2 ! 1240*"56 .03 # 3 !!51240$.0*2#"
3 !!51240$*2*! ' 3 !!
51240$ !
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