What is the difference in the concepts of economic growth and economic expansion?

a. Both terms are used interchangeably and refer to quarterly increases in output.
b. Economic growth refers to the long-tun upward trend in output over a longer period of time, usually more than a decade, which is measured as the average annual change in output over the period. An expansion refers to a shorter time period during which output increases quarter by quarter or year by year.
c. An expansion refers to the long-tun upward trend in output over a longer period of time, usually more than a decade, which is measured as the average annual change in output over the period. Economic growth refers to a shorter time period during which output increases quarter by quarter or year by year.
d. Both terms are used interchangeably and refer to the long-tun upward trend in output over a longer period of time, usually more than a decade, which is measured as the average annual change in output over the period.
e. Economic growth is the term reserved for periods of prosperity in less developed countries while expansion is the term reserved for developed industrial countries.

B

Economics

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When a competitive firm doubles the quantity of output it sells, its

a. total revenue doubles. b. average revenue doubles. c. marginal revenue doubles. d. profits must increase.

Economics

Refer to the graphs, in which the numbers in parentheses near the AD1, AD2, and AD3 labels indicate the level of investment spending associated with each curve. All figures are in billions. The economy is at equilibrium at the intersection of the aggregate supply curve and aggregate demand curve AD3. What policy should the Fed pursue to achieve a noninflationary full-employment level of real GDP?



A. Increase the money supply from $75 to $150 billion

B. Increase the money supply from $150 to $225 billion

C. Decrease the money supply from $225 to $150 billion

D. Make no change in the money supply

Economics