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公共选择理论在政治学领域中的应用性与适应性问题一直以来备受关注,尤其是公共选择理论的“经济人”假设引起了广泛的争议与挑战。本文分别从自我利益与理性行为两方面,对公共选择理论这一假设进行了限度分析,并评述了公共选择理论对此所给予的积极回应——提出了改进中的新经济人假设。进而得出公共选择理论只是部分地而不是全部地解释所有政治现象的结论,因此,应该由政治学理论的某些部分来完善与补充。
The issue of the applicability and adaptability of public choice theory in political science has been attracting much attention. Especially the “economic man” assumption of public choice theory has caused a wide range of disputes and challenges. This article separately analyzes the hypothesis of public choice theory from the two aspects of self-interest and rational behavior, and reviews the positive response to public choice theory from it - puts forward the new hypothesis of new-economy people. And then come to the conclusion that the theory of public choice only partially but not completely explains all the political phenomena. Therefore, it should be perfected and supplemented by some parts of the theory of political science.