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Advanced Macroeconomics

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Nguyễn Gia Hào

Academic year: 2023

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Click on the ad to read more Click on the ad to read more Click on the ad to read more. This book attempts to explain the domestic and international factors responsible for creating balance of payments equilibrium, interest rates, and inflation. Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more.

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From a closed to an open economy

Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more. Total income in the economy includes consumption, income, government spending and net exports. In scenarios where unplanned inventories drive aggregate demand in the economy, aggregate demand equals income.

Introduction to Macroeconomics Where saving depends on average consumption and changes in income, there is regular investment in the economy by the government. We assume that the autonomous investment in the economy will be equal to the average consumption.

Figure 1.1 Income and spending in an economy
Figure 1.1 Income and spending in an economy

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The IS-LM Framework

In the long run, money demand and money supply remain equal to money supply, and the interest rate remains unchanged. Another possibility is that in the goods market, the demand for the goods and the supply of the goods remain in balance. The IS curve is steep when there is a small change in the interest rate and a large change in income.

The interest rate remains constant if there is no change in the demand and supply of money. But in the long run, the reduction in interest rates and the increase in incomes lead to more investments.

Figure 1.5 Flowchart of the goods and money markets  Source: Dornbusch and Fischer (1994)
Figure 1.5 Flowchart of the goods and money markets Source: Dornbusch and Fischer (1994)

Aggregate demand and supply

In the second diagram, if we join points a and b, we can derive the aggregate demand curve. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. per ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Click on the ad to read more. Introduction to Macroeconomics In Figure 1.15, expansionary fiscal policy has positive effects on aggregate demand, leading to an increase in income along with a large increase in the interest rate.

The classical supply curve assumes that the supply of the factor of production is fixed in the classical way. Introduction to macroeconomics Figure 1.17 shows the effect of fiscal policy on the classical aggregate supply curve.

Figure 1.13 Derivation of aggregate demand
Figure 1.13 Derivation of aggregate demand

Monetary policy and the classical aggregate supply curve

  • Introduction
  • The Ando-Modigliani Approach: The life cycle hypothesis
  • The Friedman approach: Permanent income

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Figure 1.19 Derivation of the aggregate supply curve
Figure 1.19 Derivation of the aggregate supply curve

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The individual rate of permanent consumption to permanent income is k', and presumably depends on the interest rate. If strata were included in the cross-sectional budget studies, we would expect the average permanent consumption for each income class i to be K− times its average permanent income for all income classes i. Since Ypi and Ytiare are unrelated, the income class centered on the population mean income will have an average transitory income component Y−t =0 and for that income classY Y− = −p.

The above-average income group will therefore have an average measured consumption equal to permanent consumption, but the average measured income is greater than the permanent income, so it is measured. Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more Click on the ad to read more to read Click on the advertisement to read more.

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Friedman’s consumption function: Cyclical movement

Friedman's model thus also explains the cross-sectional budget studies and the short-term cyclical observation that the c/y ratio is fairly constant, that is, APC = MPC. In the Ando-Modigliani life cycle model, positive transitional income could be that at the end of the life cycle. The life cycle hypothesis could thus be an explanation for the distribution of Friedman's transitory income.

The two models are similar in that the starting point for the analysis is the consumption function. The strength of Friedman's theory is that it relates to many economists' acceptance of the proposition that people base current consumption or saving decisions on more than just current and past values ​​of income and assets.

The Duesenberry Approach: Relative income

The consumption function Nevertheless, the two models are closely related and familiar with transient high income.

First hypothesis

The consumption function This assumption leads to the result that the individual's ratio between consumption and income (c/y) will depend on his position in the income distribution. A person with a below-average income will tend to have a high c/y ratio because he is essentially trying to keep up with a national average consumption standard on his below-average income. On the other hand, a person with an above-average income will have a lower c/y ratio because it takes a smaller portion of his income to buy the standard basket of consumer goods.

This provides the explanation for both the cross-sectional result that MPC < APC and the long-term consistency of c/y.

Second hypothesis

  • Money: Definition and function
  • The Philips Curve
  • The dynamic aggregate supply curve
  • The production function
  • The properties of the aggregate supply curve
  • Short run effects
  • The medium term adjustment
  • The long term adjustment
    • Inflation expectations and the aggregate supply curve
    • The aggregate supply curve (ASC)
    • The modified Philips Curve
    • The expected augmented Philips Curve ( *)
    • Criticism
    • Introduction
    • The open economy and the goods market
    • The Mundell-Fleming model
    • Competitive depreciation
    • The role of prices in an open economy
    • Automatic adjustment
    • Expenditure switching and expenditure reducing policies
    • Devaluation
    • The exchange rate and prices
    • The crawling peg exchange rate
    • The J curve effect
    • The Monetary Approach to Balance of Payments (MABoP): the IMF approach to macroeconomic stabilization
    • Exchange rate overshooting
    • Introduction
    • The efficiency wage hypothesis
    • The government budget constraints and debt dynamics
    • Rational expectations
    • The new Keynesian alternative
    • The Ricardian Equivalence (RE)
    • The search and matching model
    • Implicit contracts
    • The insider–outsider model
    • The real business cycle theory
    • Government budget constraints
    • Hyperinflation
    • The Laffer curve
    • Controlling the deficit
    • Debt management
    • The dynamics of the deficit and debts

It is up to the monetary authority to target the money supply or interest rate. This means that the current wage depends on the past wage 1− ∈ and the difference between natural unemployment and current unemployment. It is five percent in short-term aggregate supply and 10 percent in SAS'.

On the other hand, the Reserve Bank sells foreign currency when there is a fall in the value of the domestic currency. The value of the domestic currency is determined based on supply and demand. The change in reserves will have a positive effect on the money supply and a negative effect on domestic credit.

What is the effect of a flexible exchange rate and monetary and fiscal policy in the Mundell-Fleming model? Firms first decide on the remuneration of workers and then regulate future production and sales. Sometimes, firms pay the average wage in the next contract period, depending on the labor market.

The net effect on the increase in GDP and interest is the debt/GDP ratio. But the government should find alternatives and raise enough revenue to service the interest on the debt. There will be more taxes in the future so that the government can repay the loan for the bonds sold today.

Consumption (C) depends on the propensity to save income; we substitute C = (1 – S)Yt in the above equation and obtain. Empirical evidence points out that the relationship between growth and inflation depends on the level of inflation at some low levels. In India, the Central and State Governments have spent heavily on various welfare schemes.

The deficit is primary and there are no interest deficits and interest payments on the public debt.

Figure 2.7 The Ratchet effect in consumption
Figure 2.7 The Ratchet effect in consumption

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Table 1.1 The Budget of the Government of India at a Glance (In crore of Rupees)  Source: Budget 2011, GOI
Figure 1.5 Flowchart of the goods and money markets  Source: Dornbusch and Fischer (1994)
Figure 1.11 Effects of fiscal policies on the IS-LM model
Figure 1.13 Derivation of aggregate demand
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Referensi

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