市场失灵
外部性
经济干预主义
粮食安全
政府失灵
粮食不安全
经济
政府(语言学)
干预(咨询)
公共经济学
要素(刑法)
公共物品
公共政策
微观经济学
经济增长
政治学
心理学
生物
生态学
法学
语言学
哲学
精神科
农业
政治
标识
DOI:10.1300/j477v01n04_02
摘要
ABSTRACT The complexity of food security requires an interdisciplinary approach in its study. For policy development and analysis, an essential element of this interdisciplinary approach is economics. At the center of the rationale provided by economics for government intervention is the idea of market failure. The paper argues that the economic theory of market failure, and in particular the concepts of externalities and public goods, can be effectively used for analyzing and criticizing the present food system. It also argues that through a better understanding of these economic concepts, governments can devise market-based policies for improving food security.
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