The following graph shows the aggregate demand (AD1) and aggregate supply (AS) curves for a hypothetical economy with Natural Real GDP of $11 trillion. PRICE LEVEL 130 125 120 115 110 105 The Simple Keynesian Model AD₁ AS A AD2 + New Eq
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- It is found that the consumption function for the economy is C = 50 + 0.8 Y d . Current level of output is 8800 and the potential GDP is 9000. Assuming the Keynesian view of the short run, answer the following questions. Illustrate this economy using a carefully labeled diagram. What is a larger concern for this economy: unemployment or inflation? If the economic policy makers want to bring the level of output to the potential GDP by changing the government expenditures (G), how much do they need to change G? Be sure to indicate whether the change is an increase or decrease. True or False and explain: If the policy in part c was successful, the unemployment rate will be zero.Consider a keynesian macromodel Y=(C0+G+I) / (1-c) where C0 is autonomus consumption, G is government consumption expenditure, I is investment expenditure, c is the marginal propensity to consume. In this model, if labor productivity increases while autonomus expenditures and the marginal propensity to consume remain unchanged, what will happen to the level of employment? a. increseas b. can't say for sure c. decreases d. stays the sameConsider a keynesian macromodel Y=(C0+G+I) / (1-c) where C0 is autonomus consumption, G is government consumption expenditure, I is investment expenditure, c is the marginal propensity to consume. In this model, if lthere is an increse in both labor productivity and the marginal propensity to consume while autonomus expenditures remain unchanged, what will happen to the level of employment? a. can't say for sure b. decreses c. stays the same d. increases
- Although our development of the Keynesian cross in this chapter assumes that taxes are a fixed amount, most countries levy some taxes that rise automatically with national income. (Examples in the United States include the income tax and the payroll tax.) Let’s represent the tax system by writing tax revenue as T = T− + tY, where T− and t are parameters of the tax code. The parameter t is the marginal tax rate: if income rises by $1, taxes rise by t × $1. 1.How does this tax system change the way consumption responds to changes in GDP? 2. Im the Keynesian cross, how does this tax system alter the government purchases multiplier? 3. In the IS–LM model, how does this tax system alter the slope of the IS curve? (solve all three tasks)Explain, using the Keynesian approach to measuring aggregate demand, the economic impact that a discovery of a precious resource such as oil will have on aggregate spending and total production (income) for an economy. Kindly answer the question.. AsapUse the Keynesian cross to predict the impacton equilibrium GDP of the following. In eachcase, state the direction of the change and give aformula for the size of the impact.a. An increase in government purchasesb. An increase in taxesc. Equal-sized increases in both governmentpurchases and taxes
- Derive the consumption function and use this relation in the aggregate demand function to derivean equation for the equilibrium in the goods market . Why the AD line is upward sloping?Suppose the government spending falls by 100 and in this case marginal propensity to consumeis 0.8. what is the value of change in output. Draw a diagram to show the shift in AD line due tothis change in government spending and output.Consider an economy described by the following set of equations: c = 120 +0.08Y I = 320 G = 480 X-IM = -80 T = 400 a. Find the actual level of GDP. b. If full employment comes at Y = 1000, would there be a recessionary gap or an inflationary gap? c. What spending changes will be necessary to eliminate this gap? d. What amount of tax changes will be necessary to eliminate this gap? e. What are some policies action that can be taken.Complete the following table by matching the macroeconomic assumptions about aggregate supply to the appropriate school of thought. Assumption Classical Keynesian Only an increase in aggregate demand can move an economy out of a recession and back to potential real GDP quickly. Product prices and wages tend to be inflexible. The following graph shows the aggregate demand (ADAD) and aggregate supply (ASAS) curves for a hypothetical economy that is currently operating below its full-employment output level. That is, the economy is currently in a recession. The aggregate supply curve (ASAS) in this diagram is consistent with the view of aggregate supply. According to this viewpoint, the government should spending in response to the recession. Shift the appropriate curve on the graph to illustrate the impact of this change in government spending. ADASPRICE LEVELREAL GDP (Trillions of dollars)AD AS The prescribed…
- Consider a keynesian macromodel Y=(C0+G+I) / (1-c) where C0 is autonomus consumption, G is government consumption expenditure, I is investment expenditure, c is the marginal propensity to consume. Assume constant marginal productivity of labor. What assumption does this model make about production? a. Higher spending leads to higher inflation b. Higher saving is required to raise output c. Production always adjusts to match expenditure d. Higher investment raises its productivityDifferentiate the macroeconomic effects that explain the causes of the differences of government spending in aggregate demand. Give a wider explanation.Suppose an economy with the following characteristics.Y = Real GDP or national incomeT = Taxes = 0.3YC = Consumption = 140 + 0.9(Y – T)I = Investment = 400G = Government spending = 800X = Exports = 600M = Imports = 0.15YGiven the information above What is the equation for Aggregate Expenditures (AE) in this economy?