Macroeconomics (Book Only)
12th Edition
ISBN: 9781285738314
Author: Roger A. Arnold
Publisher: Cengage Learning
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Question
Chapter 10, Problem 20QP
To determine
The shift in the AD curve when the consumption increases and the investment and government purchases remain unchanged.
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The Aggregate Expenditure Model is traditionally called the” Keynesian Cross”. Use the Aggregate Expenditure Keynesian Cross diagram to show what happens to the economy under the following conditions: (Note that is different from the AS-AD Model.)
What happens in the model if government expenditures are increased (G↑)?
What happens if taxes are raised (T↑)?
What happens to the US economy if the rest of the world experiences economic growth and imports more US goods (X↑)?
Explain
In the simple Keynesian model, if aggregate expenditure is less than GDP, output will
a)decline as firms increase their prices to stop the buildup of inventories
b)increase as firms increase production to try to stop depletion of inventories
c)remain unchanged indefinitely unless government takes action
d)increase as firms cut their prices to try to stop depletion of inventories
e)decline as firms cut production to stop the buildup of inventories
Chapter 10 Solutions
Macroeconomics (Book Only)
Ch. 10.1 - Prob. 1STCh. 10.1 - Prob. 2STCh. 10.1 - Prob. 3STCh. 10.2 - Prob. 1STCh. 10.2 - Prob. 2STCh. 10.2 - Prob. 3STCh. 10.3 - Prob. 1STCh. 10.3 - Prob. 2STCh. 10.3 - Prob. 3STCh. 10.4 - Prob. 1ST
Ch. 10.4 - Prob. 2STCh. 10 - Prob. 1VQPCh. 10 - Prob. 2VQPCh. 10 - Prob. 3VQPCh. 10 - Prob. 4VQPCh. 10 - Prob. 5VQPCh. 10 - Prob. 1QPCh. 10 - Prob. 2QPCh. 10 - Prob. 3QPCh. 10 - Prob. 4QPCh. 10 - Prob. 5QPCh. 10 - Prob. 6QPCh. 10 - Prob. 7QPCh. 10 - Prob. 8QPCh. 10 - Prob. 9QPCh. 10 - Prob. 10QPCh. 10 - Prob. 11QPCh. 10 - Prob. 12QPCh. 10 - Prob. 13QPCh. 10 - Prob. 14QPCh. 10 - Prob. 15QPCh. 10 - Prob. 16QPCh. 10 - Prob. 17QPCh. 10 - Prob. 18QPCh. 10 - Prob. 19QPCh. 10 - Prob. 20QPCh. 10 - Explain how to derive a total expenditures (TE)...Ch. 10 - Prob. 22QPCh. 10 - Prob. 23QPCh. 10 - Prob. 24QPCh. 10 - Prob. 25QPCh. 10 - Prob. 1WNGCh. 10 - Prob. 2WNGCh. 10 - Prob. 3WNGCh. 10 - Prob. 4WNGCh. 10 - Prob. 5WNGCh. 10 - Prob. 6WNGCh. 10 - Prob. 7WNGCh. 10 - Prob. 8WNG
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- Consider a simple Keynesian model. Which of the following will decrease planned aggregate expenditure? Government closes schools as a part of major restructureHouseholds prefer homemade meals to restaurant mealsAll the other optionsBusiness profitability is expected to go downarrow_forwardWhat happens in the simple Keynesian model if households expect lower income in the future and decide to save more today? Adjust the graph and answer the question. Assume that investment varies directly with aggregate income. Aggregate expenditure (in billions of dollars) 10 9 8 7 5 4 3 2 1 0 0 1 2 3 4 5 6 7 Aggregate income (in billions of dollars) 8 9 AE = AI C+1 10arrow_forwardGiven the following information on spending in a simple Keynesian model what is the level of autonomous spending? CA = 800 GA = 600 IA = 400 MPC =2/3 XA =500 MA =300arrow_forward
- According to the Keynesian cross model, if the marginal propensity to consume is 0.75, by how much (i.e. how many billion dollars) will income increase if the government increases government purchases by $120 billion? Hint: Enter only the number of billions and no dollar sign in your response (e.g. enter only '100' in the case of $100 billion). billionarrow_forwardWhat roles does inventory play in the equilibrium process of the economy in a simple Keynesian modelarrow_forwardIn the Keynesian cross model, assume that the consumption function is given by C = 100 + 0.75(Y - T). If government spending increases by AG = 100, what is the increase in output? How does your answer change when the spending increase is financed by an equal increase in taxes?arrow_forward
- In the AD/AS model assume 2019 began with potential real GDP = $19.7 trillion, while actual real GDP = $19.0 trillion and the Price Level (GDP Deflator) = 210. A year later the Price Level = 214 and actual real GDP = $18.9. Based on their relative effects on the AD/AS model, which of the following scenarios best explains this new outcome? The effect of %3D Group of answer choices an increase in government spending is MORE than the effect of decreased electricity prices. an increase in wages is LESS than the effect of a decrease in government spending. a decrease in oil prices is MORE than the effect of positive consumer expectations. an increase in inflationary expectations is MORE than the effect of increased government spending.arrow_forwardThe multiplier in the Keynesian model equals:arrow_forwardUse 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 XATarrow_forward
- Suppose MPC = 0.8 and government spending increases by 1 trillion dollars. In the AD-AS equilibrium, the effect on real GDP will be?arrow_forwardSuppose total expenditures are greater than total output: that is, E > Y. Draw a diagram illustrating this situation. According to Keynesian theory, what is likely to happen? Will the adjustment necessarily restore full employment?arrow_forwardWhich equation represents the macroeconomic equilibrium condition in the aggregate expenditure (AE) model?arrow_forward
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