Which economic principle accounts for the fact that all-you-can-eat buffet restaurants can be profitable?
A) the law of demand
B) the principle of diminishing marginal utility
C) the principle of comparative advantage
D) the law of supply
Answer: B
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What must be true for a consumer to buy a good or service?
A) The price must be equal to or less than the marginal benefit. B) The total benefit received must equal the total spent to buy the good or service. C) The consumer must be able to obtain some consumer surplus. D) The consumer must not be able to produce the product. E) The price must be equal to or greater than the marginal benefit.
A speculator may choose to buy a call option because
A) the possible gain is greater than with a futures contract. B) the potential loss on the call is limited to the premium, while the potential loss is unlimited with a futures contract. C) the possible gain with the option is great than the possible gain from buying the underlying stock itself. D) calls eliminate the risk of loss so a speculator can lose nothing or just make a gain.