答案和详解如下: 36 Correct answer is B “Fiscal Policy,” Michael Parkin 2008 Modular Level I, Vol. 2, pp. 439-440 Study Session 6-27-a explain supply-side effects on employment, potential GDP, and aggregate supply, including the income tax and taxes on expenditure, and describe the Laffer curve and its relation to supply-side economics The relationship between the tax rate and the amount of tax revenue collected is called the Laffer curve, named after Arthur B. Laffer, a supply-side economist and a member of President Reagan’s economic policy advisory board. They argued that tax cuts would increase tax revenues and decrease the budget deficit. 37 Correct answer is A “Organizing Production,” Michael Parkin 2008 Modular Level I, Vol. 2, pp. 92-95 Study Session 4-16-a explain the types of opportunity cost and their relation to economic profit, and calculate economic profit
38 Correct answer is B “Markets in Action,” Michael Parkin 2008 Modular Level I, Vol. 2, pp. 79-80 Study Session 4-15-d discuss the impact of subsidies, quotas, and markets for illegal goods on demand, supply, and market equilibrium Upon introduction of a subsidy, the equilibrium level of supply increases and the price falls. In the new equilibrium, marginal cost (on the supply curve) exceeds marginal benefit (on the demand curve) and a deadweight loss arises due to overproduction (Figure 13 on p. 79). 39 Correct answer is B “Aggregate Demand and Aggregate Supply,” Michael Parkin 2008 Modular Level I, Vol. 2, pp. 327-328 Study Session 5-23-c differentiate between short-run and long-run macroeconomic equilibrium, and explain how economic growth, inflation, and changes in aggregate demand and supply influence the macroeconomic equilibrium and the business cycle A below full-employment equilibrium is a macro-economic equilibrium in which potential GDP exceeds real GDP. The amount by which potential GDP exceeds real GDP is called the Okun gap. An above full-employment equilibrium is a macro-economic equilibrium in which real GDP exceeds potential GDP. The amount by which real GDP exceeds potential GDP is called an inflationary gap. 40 Correct answer is C “Elasticity,” Michael Parkin 2008 Modular Level I, Vol. 2, pp. 24-25 Study Session 4-13-a calculate and interpret the elasticities of demand (price elasticity, cross elasticity, income elasticity) and the elasticity of supply, and discuss the factors that influence each measure The elasticity of supply equals the percent change in quantity relative to the average quantity divided by the percent change in demand relative to the average demand: The average quantity = (100 + 150) / 2 = 125, the % change in quantity = 50 / 125 = 40; The average price = (150 + 200) / 2 = 175, the % change in price = 50 / 175 = 28.6 Elasticity of supply = 40 / 28.6 = 1.40 |