Book cover for Economics

Economics

Michael Parkin

ISBN #9780133872279

12th Edition

839 Questions

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Summary

Learning Objectives

Key Concepts

Example Problems

Explanations

Common Mistakes

Summary

The section explains the determinants and dynamics of the quantity of real GDP supplied, distinguishing between short-run and long-run aggregate supply. In the short run, an increase in the price level encourages firms to produce more due to fixed wages, whereas in the long run, input prices adjust, and output remains fixed at potential GDP. The AS-AD model allows us to analyze equilibrium in the economy and assess how shifts in aggregate demand and supply contribute to business cycles. Additionally, different macroeconomic schools of thought offer varying views on the roles of policy interventions and market adjustments.

Learning Objectives

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Key Concepts

CONCEPT

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Example Problems

Example 1

Explain the influence of each of the following events on the quantity of real GDP supplied and aggregate supply in India and use a graph to illustrate. U.S. firms move their call handling, IT, and data functions to India. Fuel prices rise. Wal-Mart and Starbucks open in India. Universities in India increase the number of engineering graduates. The money wage rate rises. The price level in India increases.

Example 2

Labor productivity is rising at a rapid rate in China and wages are rising at a similar rate. Explain how a rise in labor productivity and wages in China will influence the quantity of real GDP supplied and aggregate supply in China.

Example 3

Canada trades with the United States. Explain the effect of each of the following events on Canada's aggregate demand. The government of Canada cuts income taxes.The United States experiences strong economic growth. Canada sets new environmental standards that require power utilities to upgrade their production facilities.

Example 4

The Fed cuts the quantity of money and all other things remain the same. Explain the effect of the cut in the quantity of money on aggregate demand in the short run.

Example 5

Gross Domestic Product for the Second Quarter of 2012 The increase in real GDP in the second quarter primarily reflected increases in personal consumption expenditures, exports, and investment. Government spending decreased. Source: Bureau of Economic Analysis, August 29,2012 Explain how the items in the news clip influence U.S. aggregate demand.

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Common Mistakes

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