n the Keynesian Cross Model, the planned expenditure equation is given as: PE = MPC(Y-T) + I + G = 100 + 0.8(Y-T). The actual expenditure equation AE = Y. Investment T = 40; government spending G = 20 A-7 Medium) 24. Refer to the information given above, what is equilibrium level of income? (Hint: starting from AE = PE) O a. 888.88 ОБ. 340 Oc. 560 O d. 1,000 A-8 Medium) 25. Refer to information given above, what is the multiplier of government spending? О а. 10 O b. 1.25 Ос. 5 O d. 2.5

n the Keynesian Cross Model, the planned expenditure equation is given as: PE = MPC(Y-T) + I + G = 100 + 0.8(Y-T). The actual expenditure equation AE = Y. Investment T = 40; government spending G = 20 A-7 Medium) 24. Refer to the information given above, what is equilibrium level of income? (Hint: starting from AE = PE) O a. 888.88 ОБ. 340 Oc. 560 O d. 1,000 A-8 Medium) 25. Refer to information given above, what is the multiplier of government spending? О а. 10 O b. 1.25 Ос. 5 O d. 2.5

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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2. For simplicity, we normally treat aggregate tax payments (T) as determined by politics or other factors unrelated to output. However, suppose that aggregate tax payments are proportional to income. That is, T=t·Y, where tis the marginal tax rate and is between o and 1. a. How, if at all, would this change in our assumptions affect the Keynesian cross diagram? b. Would this change increase, decrease, or have no impact on the multiplier effect, or is it not possible to tell? (That is, how would the effect of a given vertical shift of the planned expenditure line compare with what it was before?)
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.
During the 1930s the U.S. entered the Great Depression. During the Great depression investment fell from a yearly rate of $16.7 billion to $1.7 billion. In 1932, President Hoover increased income taxes. Assume the MPC is .92 C). If the AD shortfall in 1934 was $300 billion, what change in government expenditures on goods and services (G) would you have recommended to restore full-employment? D). If the AD shortfall in 1934 was $300 billion, what change in income/transfer payments would you have recommended ? E). If the AD shortfall in 1934 was $300 billion, what change in income taxes would you have recommended ?
Use the figure to calculate the marginal propensity to consume (MPC) between point A and point B. MPC = (Enter your response as a real number rounded to two decimal places.) C Real consumption spending ($ billions) Consumption and National Income $3,750 $2,250 B $3,000 $5,000 Real national income or real GDP ($ billions) C
Homework: Demand-Side Equilibrium: Unemployment or Inflation? The following graph shows the total expenditure line (TE) for an economy where current equilibrium output is $400 billion and potential output is $650 billion. REAL EXPENDITURE (Billions of dollars) § 2 600 500 400 300 200 100 0 0 100 45-degree ling 200 300 400 500 600 REAL GDP (Bilions of dollars) The economy is experiencing TE Potential GDP 700 800 TE equal to $ by billion. Thus, the value of the multiplier for this economy is billion. To close the output gap, government purchases could On the previous graph, shift the TE line to show the change in total expenditure necessary to close the output gap. Note: Select and drag the curve to the desired position. The curve will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther.
Use the initial settings (or any other non-zero value) for the Change in Autonomous Spending and MPC. Click the "Spending Rounds" button at the top of the Settings window. Which of the following describes how the Change in Spending value in each row is related to the Disposable Income value in the same row? O In each row, Change in Spending is Disposable Income minus MPC*(Change in Autonomous Spending). Change in Spending in each row is MPC x Disposable Income for that row. O Change in Spending is always half of Disposable Income. O Change in Spending is Disposable Income times the spending multiplier.
Multiplier effects occur when there is a change in spending which does not depend on income. Spending which does not depend on income is referred to as O coincident spending. nominal spending. autonomous expenditures.. O induced expenditures.
Assuming the equilibrium condition is Y = C+1. Suppose S = -600 + 0.4Y, and I = 800. If income is presently at $4500 we can say that, ceteris paribus, a. national income will decrease toward equilibrium b. consumption will decrease. O C. national income will rise toward equilibrium. O d. national income is in equilibrium.
Consider the following planned aggregate expenditure function: AEp=1000+0.8Y 1. Calculate the income-expenditure equilibrim real GDP, Y*, for this economy. Illustrate the equilibrium real GDP on a diagram below. Label the equilibrium point E. 2. Explain how an increase in uncertainty due to the collapse of multiple banks in the economy affects consumption and firm investment spending. Also explain what effect these changes would have on AEp and Y*. Show the effect on your diagram in part 1. 3. Suppose following the events above consumption and investment spending change by 220. By how much would Y* change eventually? Calculate and explain. 4. If the federal government wants to get the economy back at producing Y* you found in part 1 by adjusting its purchases of goods and services (G) by how much would it have to change G? (Hint: use the multiplier to calculate).
The graph below shows a 45°-line (Keynesian cross) diagram. The economy is currently in macroeconomic equilibrium at output level Yo. Suppose that investment increases. 1) Use the line tool to show a possible position for the new aggregate expenditures line. Label this line AE2. Note: if you are not prompted for a label, you have used the wrong drawing tool. 2) Use the point drawing tool to show the new equilibrium levels of GDP and expenditures.Label this point 'B'. Real aggregate expenditures, AE Real GDP, Y Y = AE AE0 Q
Assume the following model of the expenditure sector: S=C+I+G+Nx TR=100 C=420+(4/5)YD I=160 G=180 Nx=-40 YD=Y+TR-TA TA=(1/6)Y Assume you increase both government purchases (G) and taxes (TA) by the same lump sum of deltaG=deltaTA=+300. Would this be sufficent to reach the full employment level of output at Y*=2700? Why or why not?
Use the Keynesian cross model to predict the impact of an increase in government purchases on equilibrium GDP. State the direction of the change and give a formula for the size of the impact. An increase in taxes shifts the planned expenditure function downward. The change in income is given by AY= ΔΥ= -MPC 1-MPC An increase taxes shifts the planned expenditure function upward. The change in income is given by -MPC 1-MPC AY= XAT An increase in taxes shifts the planned expenditure function inward. The change in income is given by AY= 1 1-MPC XAT 1 1-MPC The direction of the shift is undetermined without knowing the slope of the PE function. The change in income is given by XAT XAT