Planned AE (PAE, trillion $) 06:-1 O 12:1 O 12-1 45° 6:1 AE = Y Refer to a graph above. Suppose the the economy has the planned aggregate expenditure of PAE₁ and planned investment is $2 trillion, government purchases is $2 trillion and net export is -$2 trillion. The macroeconomic equilibrium GDP is $ trillion. trillion and autonomous consumption is $ PAE₂= 7+0.5Y PAE = 5 +0.5Y PAE₁ = 3 +0.5Y Actual AE (GDP, Y, trillion $)
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- ADVANCED ANALYSIS Assume that the consumption schedule for a private closed economy is such that consumption is: C = 100 + 0.75Y Assume further that planned investment Ig is independent of the level of real GDP and constant at Ig = 50. Recall also that, in equilibrium, the real output produced (Y) is equal to aggregate expenditures: Y = C + Ig Instructions: Enter your answers as whole numbers.a. Calculate the equilibrium level of income or real GDP for this economy. Equilibrium GDP (Y) = $ . b. What happens to equilibrium GDP if Ig changes to 60? Equilibrium GDP (Y) = $ . What does this outcome reveal about the size of the spending multiplier? Spending multiplier = .Given the following consumption function, C = 400 + 0.75YD,where C= consumption expenditure, YD = disposable income, Investment= $1200, Government spending = $1600,Exports = $500, Imports = $600, Taxes = $1200 and Potential GDP = $9000Choose corrcct optiona) Aactual output is less than potential outputb) actual output is zeroc) actual output is equal to potential outputd) actual output is higher than potential outputPlanned AE (PAE, trillion $) 45° AE = Y PAE₂= 7+0.5Y PAE = 5 +0.5Y PAE = 3 +0.5Y Actual AE (GDP, Y, trillion $) Refer to a graph above. Suppose the the economy has the planned aggregate expenditure of PAE2 and the potential GDP is $10 trillion. Which of the following statements about this economy is false? O There is an inflationary output gap of $4 trillion. O In order for this economy to get back to the potential GDP, the PAE curve needs to shift to the right The economy is in an expansion. O The economy produces more than spends.
- 8. The income-expenditure model Consider a small economy that is dlosed to trade, so its net exports are equal to zero. Suppose that the economy has the following consumption function, where C is consumption, Y is real GDP, 1 is investment, G is government purchases, and T stands for net taxes: C - 40 + 0.5 x (Y-T) Suppose G- $315 billion, I - $50 billion, and T- $10 billion. Given the consumption function and the fact that for a closed economy total expenditure can be calculated as Y = C+1+G, the equilibrium output level is equal to s billion. Suppose the government purchases are reduced by $200 billion. The new equilibrium level of output will be equal to Based on the effect of the change in government purchases on equilibrium output, you can tell that this economy's spending multiplier is equal to3. You are given the following data concerning Mexico. - Consumption function: C = 1000+ 0.8 Ya - Ya=Y-T - Taxes: T=350 - AE = Y = 7,000 (1) (2) (3) (4) AE: Cis Consumption Ya is disposable income Y is Aggregate Output/Income Tis Taxes Planned Aggregate Expenditure a) What is the MPC /marginal propensity to consume/ and what is the MPS /marginal propensity to save/? Calculate the government spending multiplier. b) What is the equilibrium level of C? c) What is the sum of investment and government spending at the equilibrium? d) What is the equilibrium level of S?100 gaia 270 200 130 60 450 100 200 300 Aggregate income (Y) Figure 8.3 ?Refer to Figure 8.3. Which of the following statements is true „Aggregate saving is negative for all income levels below $400 a O For all aggregate income levels above $200, aggregate consumption is greater than aggregate income b O If consumption is the only expenditure, this economy would be in equilibrium at an aggregate income level of c O $300 Saving is negative at all income levels below $200 d O Aggregate consumption (C)
- GDP $0 1 2 Consumption $0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 D 8 4.5 As shown in Exhibit 9-1, if equilibrium GDP is $5 trillion, then the total of investment, government spending, and net exports is: 8 4.5 As shown in Exhibit 9-1, if equilibrium GDP is $5 trillion, then the total of investme O $1 trillion. $2 trillion. O $3 trillion. O $4 trillion. $6 trillion. 4 Aggregate Expenditures 6 Unplanned inventory10.pr3 Following is a saving and investment schedule indicating that planned investment is constant 360 11 13 15 17 15 15 15 15 15 a) The equilibrium real GDP is $And saving and investment are both b The MPS and the multiplier is AS2 rise in the g schedule will cause real GDP to tie by S d) Use the investment schedule given in the table and assume a 52 increase in the saing schedule in the table that is, saving at every real GOP increase by S and at this real GOP, saving 4.1. Equilibrium real GDP will to.5 15 will be S d.2. The amount by which real GDP changes depends on the size of the change in the saving schedule and the size oDI $0 10 20 30 40 50 (1) (2) C $65 125 (3) DI $0 20 C DI $4 $0 11 80 18 160 185 25 240 245 32 320 305 80 39 400 365 100 C $2 20 40 38 60 56 74 92 Refer to the given consumption schedules. DI signifies disposable income and C represents consumption expenditures. All figures are in billions of dollars. Suppose that consumption decreased by $2 billion at each level of DI in each of the three countries. We can conclude that the marginal propensity to consume will remain unchanged in each of the three countries. marginal propensity to consume will decline in each of the three countries. average propensity to save will fall at each level of DI in each of the three countries. marginal propensity to save will rise in each of the three countries.
- 5. Algebra of the income-expenditure model Consider a small economy that is closed to trade, so its net exports are equal to zero. Suppose that the economy has the following consumption function, where C is consumption, Y is real GDP, / is investment, G is government purchases, and T is for net taxes: C 40+0.5x (Y-T) Suppose G $265 billion, 7- $50 billion, and T $10 billion. Given the consumption function and the fact that, in a closed economy, total expenditure can be calculated as Y = C+I+G, the equilibrium output level is s billion. Suppose the government purchases are reduced by $100 billion. The new equilibrium level of output will be equal to s billion. Based on the effect of the change in government purchases on equilibrium output, you can tell that this economy's spending multiplier is equal toADVANCED ANALYSIS Assume that the consumption schedule for a private open economy is such that consumption C= 60 + 08Y Assume further that planned investment lo government spending G, and net exports X are independent of the level of real GDP nd constant at lg 40, G= 0, and Xp= 10. Recall also that, in equilibrium, the real output produced () is equal to aggregate expenditures: Y= C+lg+ G+ Xp Instructions: Round your answers to the nearest whole number. a. Calculate the equilibrium level of income or real GDP for this economy S 1050 b. What happens to equilibrium Yif lg changes to 20? 950 What does this outcome reveal about the size of the multiplier? Multiplier=8. The income-expenditure model Consider a small economy that is closed to trade, so its net exports are equal to zero. Suppose that the economy has the following consumption function, where C is consumption, Y is real GDP, I is investment, G is government purchases, and T stands for net taxes: C = 15+0.75 x (Y-T) Suppose G = $90 billion, 1 = $60 billion, and T = $20 billion. Given the consumption function and the fact that for a closed economy total expenditure can be calculated as Y=C+I+G, the equilibrium output level is equal to 5 billion. Suppose the government purchases are increased by $50 billion. The new equilibrium level of output will be equal to Based on the effect of the change in government purchases on equilibrium output, you can tell that this economy's spending multiplier is equal to