Study Guide for Mankiw's Brief Principles of Macroeconomics, 7th
Study Guide for Mankiw's Brief Principles of Macroeconomics, 7th
7th Edition
ISBN: 9781285864266
Author: N. Gregory Mankiw
Publisher: Cengage Learning
Question
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Chapter 17, Problem 1QCMC
To determine

Relationship between inflation and unemployment.

Expert Solution & Answer
Check Mark

Answer to Problem 1QCMC

Option “b” is the correct answer.

Explanation of Solution

Option (b):

When the Federal Reserve increases the money supply and expands aggregate demand, it moves the economy along the Phillips curve to a point with higher inflation and lower unemployment.

The increase in money supply reduces the interest rate, increases the inflation, and increases the investment. Increasing investment leads to an increase in the employment and income. When the inflation rate increases, the unemployment rate will decrease. There is a negative relationship between inflation and unemployment. Thus, option “b” is correct.

Option (a):

There is a negative relationship between inflation and unemployment. Therefore when inflation increases, the unemployment rate will fall. Thus, option “a” is incorrect.

Option (c):

When the Federal Reserve increases the aggregate demand, it leads to a higher inflation rate in the economy. Thus, option “c” is incorrect.

Option (d):

When the Federal Reserve increases the money supply and expands the aggregate demand, it moves the economy along the Phillips curve to a point with higher inflation and lower unemployment. The increase in demand will lead to an increase in the price level; ultimately leads to an increase in the inflation rate in the economy. Thus, option “d” is incorrect.

Economics Concept Introduction

Philips curve: Phillips curve shows the inverse relationship between inflation and unemployment.

Inflation: Inflation refers to the tendency of increasing price.

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In theory, inflation not only ______ the value of consumers' money over time, but it also increases the ____ of producers over time.    a.Decreases, wages b.Increases, interest rates c.Decreases, unemployment d.Increases, real GDP
The Phillips curve is   A. a positive relationship between price stability and​ constant, small-increment changes in the fiscal policy on the part of the Fed.   B. a positive relationship in the long run between the rate of inflation and the rate of unemployment.   C. a negative relationship between the inflation rate and the unemployment​ rate, at least in the short run.   D. a positive relationship between the unemployment rate and the real Gross Domestic Product​ (GDP) level.
The following graphs show the state of an economy that is currently in long-run equilibrium. The first graph shows the aggregate-demand (AD) and long-run aggregate-supply (LRAS) curves. The second shows the long-run and short-run Phillips curves (LRPC and SRPC). PRICE LEVEL INFLATION RATE 0 0 3 1 LRAS 6 12 9 OUTPUT (Trillions of dollars) LRPC 4 UNEMPLOYMENT (Percent) 2 3 15 5 AD SRPC 18 6 AD LRAS SRPC LRPC
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