Corporate concentration can be measured by
A. only the concentration ratio.
B. only the Herfindahl-Hirschman index.
C. both the concentration ratio and the Herfindahl-Hirschman index.
D. neither the concentration ratio nor the Herfindahl index.
C. both the concentration ratio and the Herfindahl-Hirschman index.
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All else equal, if U.S. stocks are perceived to have become riskier compared to financial investments in other countries, then the market equilibrium value of the exchange rate for the U.S. dollar will:
A. fall. B. become fixed. C. be equal to the value chosen by the Federal Reserve. D. rise.
Official unemployment rates may underestimate the true rate of unemployment because the official rate
A) fails to include discouraged workers. B) does not include individuals receiving any type of unemployment compensation. C) may include some individuals who are not actually in the labor force. D) includes those workers who only work part time.
Firms in a small economy anticipated that inventories would grow over the past year by $750,000, and over that year, inventories grew by exactly $750,000. This implies that
A) aggregate expenditure was greater than GDP that year. B) there was an unplanned decrease in inventories that year. C) there was an unplanned increase in inventories that year. D) aggregate expenditure and GDP were equal that year.
Imports are
A. people who work in foreign countries. B. an example of an economic model. C. whatever is given up to obtain some item. D. goods produced abroad and sold domestically.