If there are only 10 firms in an industry, each with 10 percent of industry sales, this is an example of
a. monopolistic competition
b. unbalanced oligopoly
c. balanced oligopoly
d. perfect competition
e. insignificant firm market power
C
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If the marginal cost curve is below the average variable cost curve, then
A) average variable cost is increasing. B) marginal cost must be decreasing. C) average variable cost could either be increasing or decreasing. D) average variable cost is decreasing.
During the most recent recession, many people temporarily lost substantial value in their retirement investment portfolios because most of the assets (including stocks, bonds, and real estate) all declined in value at the same time
In hindsight, what was the problem with these portfolios? A) The portfolios were not adequately diversified because the assets were negatively correlated, so all of the assets had negative returns at the same time. B) The portfolios were not adequately diversified because the assets were more positively correlated than expected, so all of the assets had negative returns at the same time. C) The portfolios were adequately diversified, but the assets should have been more positively correlated to protect against recession risk. D) The investors should not have diversified their investments to protect against recession risk.
When an economy's resources are not fully employed, then it must be true that the:
a. production point is located outside and to the right of the production possibilities curve. b. production point is located along the production possibilities curve. c. production point is located inside and to the left of the production possibilities curve. d. production possibilities curve shifts to the right. e. production possibilities curve shifts to the left.
The supply of money is determined by
a. the price level. b. the Treasury and Congressional Budget Office. c. the Federal Reserve System. d. the demand for money.