导言布坎南(J.Buchanan)的主要贡献是对“公共选择”问题的研究,他广泛开拓了这个领域且使其影响了公其经济学的发展。公共选择涉及到把政治决策和规章设制纳入经济分析,所以特别当讨论到公共财政的时候,就要对政治结构的经济含意加以考虑。就此点而论,公共选择是 Introduction Buchanan's main contribution is the study of the issue of “public choice,” in which he extensively explored and influenced the development of his economics. Public choice involves the incorporation of political decisions and regulations into economic analysis, so the economic implications of the political structure must be taken into account, especially when it comes to public finance. In this regard, the public choice is