Macroeconomics 11th Edition by Michael Parkin

تمرين 6

Explaining Macroeconomic Trends and Fluctuations
Use the following information to work Problem.
The following events have occurred at times in the history of the United States:
The world economy goes into an expansion.
U.S. businesses expect future profits to rise.
The government increases its expenditure on goods and services in a time of war or increased international tension.
Explain for each event whether it changes short-run aggregate supply, long-run aggregate supply, aggregate demand, or some combination of them.