Macroeconomics: Principles and Policy (MindTap Course List)
13th Edition
ISBN: 9781305280601
Author: William J. Baumol, Alan S. Blinder
Publisher: Cengage Learning
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Question
Chapter 10, Problem 3TY
a
To determine
To ascertain: The comparison of change in aggregate demand.
b)
To determine
To ascertain: The equilibrium level of
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Assume the simple spending multiplier equals 10. Determine the size and direction of any changes of the aggregate expenditure line, real GDP demanded, and the aggregate demand curve for each of the following:
Spending rises by $8 billion at each spending level
Spending falls by $5 billion at each income level
Spending rises by $20 billion at each income level
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Explain the relationship between the aggregate expenditures model in graph (A) below and the aggregate demand–aggregate supply model in graph (B) below. In other words, explain how points 1, 2, and 3 are related to points 1’, 2’, and 3’.
Assume the Potential GDP is $15 trillion dollars. Use the table below to answer the following questions. Assume all values represent trillions of dollars.
Use the table to create two graphs: 1. aggregate expenditure model and 2. an aggregate supply aggregate demand model. Note that the equilibrium in the table above will determine your real GDP and your potential GDP should be plotted in both graphs.
What type of macroeconomic equilibrium does this economy reflect?
Note that the multiplier is 2 because this economy has imports. If Investment expenditures increase by $2.5, how much does GDP increase?
Does the increase in investment expenditures from part C result in a full
employment equilibrium? Why?
Graphically show the effects from part C in our Aggregate Expenditure
Model and Aggregate Supply-Aggregate Demand Model.
Chapter 10 Solutions
Macroeconomics: Principles and Policy (MindTap Course List)
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- You are given the following information about aggregate demand at the existing price level for an economy: (1) consumption = $500 billion, (2) investment = $50 billion, (3) government purchases = $100 billion, and (4) exports = $20 billion, imports = $40 billion. If the full-employment level of GDP for this economy is $700 billion. Marginal Propensity to Consume (MPC) of the economy is 0.5. How much government purchases would be closing the GDP-gap here? Explain your answer, and show your calculation.arrow_forwardConsider an economy described by the following equations: Y = C+I+G C = 100+0.75 (Y-T) I = 500-50r G = 125 T = 100 where Y is GDP, C is consumption, I is investment, G is government purchases, T is taxes, and r is the interest rate. If the economy were at full employment (that is, at its natural rate), GDP would be 2,000. Explain the meaning of each of these equations. What is the marginal propensity to consume in this economy? Suppose the central bank’s policy is to adjust the money supply to maintain the interest rate at 4 percent, so r = 4. Solve for GDP. How does it compare to the full-employment level? Assuming no change in monetary policy, what change in government purchases would restore full employment? Assuming no change in fiscal policy, what change in the interest rate would restore full employment?arrow_forwardConsumption spending was $150$150 billion, investment spending was $40$40 billion, government spending was $50$50 billion, spending on exports was $42$42billion, and spending on imports was $35$35 billion. The price level increases, resulting in a decline in investment spending by 30%30%. Consumption spending decreases by 10%10%.If other factors stay at the same level, determine aggregate demand after the price level increased. Enter your answer in the box below.arrow_forward
- Answer the following questions, which relate to the aggregate expenditures model:a. If Ca is $100, Ig is $50, Xn is -$10, and G is $30, what is the economy’s equilibrium GDP?b. If real GDP in an economy is currently $200, Ca is $100, Ig is $50, Xn is -$10, and G is $30, will the economy’s real GDP rise, fall, or stay the same?c. Suppose that full-employment (and full-capacity) output in an economy is $200. If Ca is $150, Ig is $50, Xn is -$10, and G is $30, what will be the macroeconomic result?arrow_forwardSuppose that the U.S. government increases its expenditure on highways and bridges by $100 billion. Explain the effect that this expenditure would have on aggregate demand and real GDP.arrow_forwardA drop in the price level will have what effect in the aggregate demand model and the income-expenditure model?A.decreases aggregate demand and planned expenditures.B.increases aggregate demand, but decreases planned expenditures.C.decreases aggregate quantity demanded, but increases planned expenditures.D.increases aggregate quantity demanded and planned expenditures.arrow_forward
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