Q21 The free-rider problem, an obstacle to efficiency, is most likely associated with: A. monopolies B. public goods C. subsidies and quotas D. price ceilings and price flours
答案和详解如下：
Q21 B 07Modular Level I, Vol. 2 .pp. 41-46. sway Session 4-14.c explain how resources move to the most efficient allocation, the obstacles to achieve efficiency, and whether or not competitive markets use resources efficiently public goods can be consumed simultaneously by everyone and it, is not in each person's interest to buy her or his share of a public goad.
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发表于 2007-11-5 18:41
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