If an industry is made up of five identical firms, the four-firm concentration ratio is
A) 5%. B) 20%. C) 80%. D) 100%.
C
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In 2012, Canadian farmers did not suffer from drought conditions that affected the United States, but they did enjoy the higher corn prices. Canadian farmers reacted to the higher price by planting more corn
Suppose that the price of corn increased by 30 percent and the Canadian farmers increased the quantity of corn they supply by 20 percent. The supply of corn is A) perfectly inelastic. B) unit elastic. C) elastic. D) inelastic.
The implication of the expectations theory that expected returns for a holding period must be the same for bonds of different maturities depends on the assumption that
A) yield curves usually slope upward. B) yield curves usually slope downward. C) instruments with different maturities are perfect substitutes. D) savers are usually risk averse.
There are 30 firms in an industry. What happens to that industry's four-firm concentration when the third- and fourth-largest firms merge?
A) Nothing, because their shares are already included in the concentration calculation. B) The industry's concentration ratio will fall. C) The industry's concentration ratio will increase. D) It is impossible to know without more information.
A phenomenon called Moore's law says:
A. computing capacity has doubled every two years. B. physical capital will double every two years in countries with high rates of growth. C. 70 divided by the growth rate equals how long it will take a country to double its income level. D. 70 divided by the growth rate equals how long it will take a country to double its productive capacity.