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- Consider a one-period economy which experiences the destruction of some of the nation’s capital stock (say through a hurricane is de- stroyed). How should this effect equilibrium, consumption, output and labor supply? Now, let’s say the government tries to offset some of the declines in capital on output and hours worked by increasing govern- ment spending. What is the likely outcome of this policy intervention in terms of consumption? In our model, the affects of changes on wages are ambiguous because the income and substitution effects move in opposite directions. How do (many) macroeconomists deal with this ambiguity in terms of study- ing business cycle? How do economists resolve this ambiguity when studying long term economic development? Consider an economy with a straight line PPF. Show how an increase in government spending paid for by an increase in lump sum labor taxes affects outcomes. Do the same for an increase in government spending financed by a proportional income…Assume an economy operates in the intermediaterange of its aggregate supply curve. State thedirection of shift for the aggregate demandor aggregate supply curve for each of thefollowing changes in conditions. What is theeffect on the price level? On real GDP? Onemployment?a. The price of crude oil rises significantly.b. Spending on national defense doubles.c. The costs of imported goods increase.d. An improvement in technology raises laborproductivity.Two main macroeconomic concerns are the problems of inflation andunemployment.a. What are the social costs of inflation? Explain TWO of them? b. What is natural rate of unemployment? Explain the TWO main causesof natural rate of unemployment. With reference specifically to ONEof these causes, suggest ONE practical government policy that reducesthe natural rate of unemployment.
- The short run aggregate supply curve was constructed assuming that as the price of outputs increases, the puce of inputs stays the same. How would an increase in the prices of important inputs, like energy, affect aggregate supply?Imagine that the government statisticians who calculate the inflation rate have been updating the basic basket of goods once every 10 years, but now they decide to update it every five years. How will this Change affect the amount of substitution bias and quality/new goods bias?If price level is held constant and we decrease consumption, the aggregate demand curve will shift to theSelect one:O a. NortheastO b. SouthwestO cc Neither A nor B
- Assume that an economy operates according to the sticky-wage model. The nominal wagewas set to make labor supply and labor demand equal when the expected price levelequaled 120 (as measured by the consumer price index).a. Use a graph of the labor market to illustrate what happens to the quantity oflabor employed if the actual price level over the time period when wages arestuck equals 110.b. Use a graph of the production function to illustrate how the quantity of outputproduced changes if the actual price level equals 110 when the expected pricelevel is 120.c. Given the unexpectedly low price level, will this economy be operating above,below, or at the natural rate?Autonomous Consumption R535mMarginal propensity to consume is 0.75Investment Spending R322mGovernment Spending R300mImports R175m + 0.08YExports R283mTaxes = 0.1YFull employment level of output is R3 483m Calculate the value of induced imports in thiseconomy, given the equilibrium level of output.Let's consider the unlikely (I hope!!!) case of a crash in housing and stock prices later on in 2021. What would be the effect on income and prices? Use the AD/SRAS/LRAS model to derive your answers. Assume we are near full employment now.
- In 1939, with the U.S. economy not yet fullyrecovered from the Great Depression, PresidentFranklin Roosevelt proclaimed that Thanksgivingwould fall a week earlier than usual so that theshopping period before Christmas would be longer.(The policy was dubbed “Franksgiving.”) Explainwhat President Roosevelt might have been trying toachieve, using the model of aggregate demand andaggregate supplydue to inflationary pressures, the national income of households has been spread across a higher overall price base for goods and services. How will this affect be shown in an AD/ASAD/AS model? a. nearly vertical AS slope at the far right b. a downward sloping AS curve c. nearly horizontal AD curve at the far left d. a downward sloping AD curveWill the shift of SRAS to the right tend to make theequilibriumquantityandpricelevelhigherorlower? What about a shift of SRAS to the left?