外部性问题、校正方式与科斯定理华南农业大学罗必良，王玉蓉自从马歇尔１８９０年在其巨著《经济学原理》提出外部性概念以来①，外部性问题吸引了一批又一批的经济学家。战后尤其是７０年代以来，由于工业化、城市化、环境污染等一些社会问题的不断加剧，外部性问题几乎... Externality, Correction and Coase Theorem South China Agricultural University Luo Biliang and Wang Yurong Since Marshall proposed the concept of externality in his monograph The Principles of Economics in 1890, the issue of externality has attracted a batch of economists. Since the post-war period, especially since the 1970s, due to the intensification of some social problems such as industrialization, urbanization and environmental pollution, the issue of externalities is almost ...