Principles of Macroeconomics
Principles of Macroeconomics
13th Edition
ISBN: 9780135196915
Author: Karl E. Case; Ray C. Fair; Sharon E. Oster
Publisher: Pearson Education (US)
Question
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Chapter 9, Problem 2.4P

Subpart (a):

To determine

Government spending multiplier.

Subpart (a):

Expert Solution
Check Mark

Explanation of Solution

The government spending multiplier is calculated as follows:

Govt. spending multiplier=1MPS=10.1=10

The government spending multiplier is 10.

Economics Concept Introduction

Concept introduction:

Marginal propensity to save (MPS): The ratio of change in saving when there is a change in disposable income.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (b):

To determine

Government spending multiplier.

Subpart (b):

Expert Solution
Check Mark

Explanation of Solution

The government spending multiplier is calculated as follows:

Govt. spending multiplier=11MPC=110.6=10.4=2.5

The government spending multiplier is 2.5.

Economics Concept Introduction

Concept introduction:

Marginal propensity to consume (MPC): Marginal propensity to consume refers to the sensitivity of change in the consumption level due to the changes occurred in the income level.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (c):

To determine

Government spending multiplier.

Subpart (c):

Expert Solution
Check Mark

Explanation of Solution

The government spending multiplier is calculated as follows:

Govt. spending multiplier=1MPS=10.25=4

The government spending multiplier is 4.

Economics Concept Introduction

Concept introduction:

Marginal propensity to save (MPS): The ratio of change in saving when there is a change in disposable income.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (d):

To determine

Tax multiplier.

Subpart (d):

Expert Solution
Check Mark

Explanation of Solution

The tax multiplier is calculated as follows:

Tax multiplier=MPC1MPC=0.510.5=0.50.5=1

The tax spending multiplier is -1.

Economics Concept Introduction

Concept introduction:

Marginal propensity to consume (MPC): Marginal propensity to consume refers to the sensitivity of change in the consumption level due to the changes occurred in the income level.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (e):

To determine

Tax multiplier.

Subpart (e):

Expert Solution
Check Mark

Explanation of Solution

The tax multiplier is calculated as follows:

Tax multiplier=1MPSMPS=10.20.2=0.80.2=4

The tax spending multiplier is -4.

Economics Concept Introduction

Concept introduction:

Marginal propensity to save (MPS): The ratio of change in saving when there is a change in disposable income.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (f):

To determine

Tax multiplier.

Subpart (f):

Expert Solution
Check Mark

Explanation of Solution

The MPS is calculated as follows:

MPS=1Govt. spending multiplier=18=0.125

The MPS is 0.125.

The tax multiplier is calculated as follows:

The tax spending multiplier is -7.

Economics Concept Introduction

Concept introduction:

Marginal propensity to save (MPS): The ratio of change in saving when there is a change in disposable income.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (g):

To determine

Government spending multiplier.

Subpart (g):

Expert Solution
Check Mark

Explanation of Solution

The MPS is calculated  using tax multiplier as follows:

Tax multiplier=1MPSMPS5=1MPSMPS5MPS=1MPSMPS=16=0.167

MPS is 0.167.

The government spending multiplier is calculated as follows:

Govt. spending multiplier=1MPS=10.167=6

The government spending multiplier is 6.

Economics Concept Introduction

Concept introduction:

Marginal propensity to save (MPS): The ratio of change in saving when there is a change in disposable income.

Multiplier: Multiplier refers to the ratio of change in the real GDP to the change in initial consumption at constant price rate.

Subpart (h):

To determine

Applying balanced budget multiplier.

Subpart (h):

Expert Solution
Check Mark

Explanation of Solution

If government purchases and taxes increases by $500 billion simultaneously, the output also increases by $500 billion since the balanced budget multiplier effect of 1 is applicable in this case.

Economics Concept Introduction

Concept introduction:

Balanced Budget Multiplier: Balanced Budget Multiplier refers to the ratio of change in the equilibrium GDP to the change in government spending where the government spend is offset by change in taxes.

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