The cost of group health insurance is generally lower than if a person buys an individual policy because
A) it is easier for an insurance company to deny claims from a group policy.
B) the problem of adverse selection is reduced.
C) insuring a group of people eliminates the problem of policy holders having more information than the insurance company.
D) this eliminates the problem of moral hazard.
B
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Gross domestic product (GDP) measures the
A) number of final goods and services produced in the economy in a given time period. B) number of final goods and services sold in the economy in a given time period. C) market value of old and new final goods and services sold in the economy in a given time period. D) market value of final goods and services produced in the economy in a given time period.
Kate and Alice are small-town ready-mix concrete duopolists. The market demand function is Qd = 20,000 - 200P, where P is the price of a cubic yard of concrete and Qd is the number of cubic yards demanded per year. Marginal cost is $80 per cubic yard. The Cournot model describes the competition in this market. How much more profit would a monopolist earn compared to the combined profit earned by the two duopoly firms together in the Nash equilibrium?
A. $180,000 B. $2,222.22 C. $11,111.11 D. $9,333.33
A monopolistic competitive firm is inefficient because the firm:
a. earns positive economic profit in the long run. b. is producing at an output corresponding to the condition that marginal cost equals price. c. is not maximizing its profit. d. produces an output where average total cost is not minimum.
Moe has a big exam tomorrow. He considered studying this evening, but decided to hang out with Curly instead. If neither activity involves any explicit costs, and Moe always chooses rationally, it must be true that:
A. Moe gets less benefit from spending time with Curly than from studying. B. Moe gets more benefit from spending time with Curly than from studying. C. the opportunity cost of studying is greater than the value Moe gets from spending time with Curly. D. the opportunity cost of studying is less than the value Moe gets from spending time with Curly.