If Planned Aggregate Expenditure (PAE)in an Economy Equals 1,000

question 124

Multiple Choice

If planned aggregate expenditure (PAE) in an economy equals 1,000 + 0.9Y and potential output (Y*) equals 9,000, then this economy has:

• A)an expansionary gap.
• B)a recessionary gap.
• C)no output gap.
• D)no autonomous expenditure.

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Definitions:

Four-firm Concentration Ratio

A measurement that indicates the combined market share of the four largest firms in an industry, used to assess the degree of competition within the market.

Herfindahl Index

A measure of market concentration that is used to determine the amount of competition among firms within an industry.

Import Competition

The competition between domestic products and foreign products in a domestic market, affecting local industries.

Herfindahl Index

A measure of the concentration of industries or markets, calculated as the sum of the squares of the market shares of the largest firms, used to assess the extent of competition.