ap macro study guides

2.7 Business Cycles






โฑ๏ธย ย 2 min read

written by

jeanne stansak

Caroline Koffke

caroline koffke


November 15, 2020

2.7: Business Cycles


Peakโ€”the highest rate of Real GDP expansion before Real GDP begins to contract.

Troughโ€”the highest rate of Real GDP contraction before Real GDP begins to expand.

Recessionโ€”two straight fiscal quarters (6 months) of Real GDP contraction.

Depressionโ€”an extreme or severe recession with excessive unemployment and Real GDP contraction

Economic expansionโ€”any period of real GDP growth, accompanied by a decrease in the unemployment rate

Economic contractionโ€”any period of real GDP reduction, accompanied by an increase in the unemployment rate.

The growth trend lineโ€”represents the natural rate of real GDP growth over time that the economy hopes to maintain. It also represents a natural and healthy rate of inflation over time. At the growth trend line, the economy is experiencing full employment and meeting each of its goals which include promoting economic growth, preventing unemployment, and limiting inflation (keeping prices stable).

Business Cycle Diagram

Business cycles are fluctuations in aggregate output and employment because of changes in aggregate supply and/or aggregate demand. Prior to March of this year, our country was one of the longest expansions it has experienced in history. Due to the economic effects of the pandemic, we are now experiencing a contraction in our economy. The Great Depression was seen as quite a long contraction in the history of the United States. We typically see expansion take place during the onset of a way as countries mobilize to prepare for this type of conflict.


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