单词 | market failure |
释义 | market failure A brief label for the view that the market does not provide a panacea for all economic problems. There are various ways in which an unregulated market may fail to produce an ideal state of affairs. The main sources of market failure are monopoly, externality, and income distribution. Profit maximization under monopoly implies under-provision and over-charging for goods. If the production or consumption of a good involves external economies, it is under-provided by an unregulated market, and if they involve external diseconomies, the good is over-provided. public goods are under-provided in a pure market economy. It is also possible that the market may give rise to a distribution of incomes which is regarded as socially unacceptable. The various sources of market failure provide a prima facie case for considering public regulation of some goods, public provision of others, and redistribution of incomes. All these measures, however, are also exposed to potential failings, which need to be considered in arriving at a second-best design for a mixed economy. |
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