Macroeconomics (Book Only)
Macroeconomics (Book Only)
12th Edition
ISBN: 9781285738314
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter 17, Problem 1VQP
To determine

Explain how increase in labor shifts the long run aggregate supply (LRAS) curve.

Expert Solution & Answer
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Explanation of Solution

A production function refers to the output or real GDP, which depend on inputs such as labor, capital, and technology. An increase in labor shifts the production function, it increases the real GDP, and thereby the economic growth. This is further explained with the help of a figure shown below:

Macroeconomics (Book Only), Chapter 17, Problem 1VQP

In Figure 1, the vertical axis of panel A and panel B measures real GDP and price, respectively. The horizontal axis of panel A and panel B measures labor and real GDP, respectively. With the given production function Q=T(L,K), a rise in quantity of labor supply in the market from L1 to L2 rises the real GDP of the nation from Q1 to Q2. At Q1 quantity of real GDP and L1 quantity of labor supply, long run aggregate supply is LRAS1. Change in labor supply in the market shifts the long run aggregate supply curve to rightward from LRAS1 to LRAS2.

Economics Concept Introduction

Production Function: Production functions explain the relationship between input and output.

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