改革开放以来,我国居民收入差距的扩大化已经成为社会关注的焦点。加强对这一问题的经济学研究并寻求解决之道,无疑具有重要的意义。有鉴于此,本文拟选取政府行为外部性作为一个理论的切入点来研究我国居民收入差距问题。 Since the reform and opening up, the expansion of the income gap between residents in China has become the focus of the community. There is no doubt that it is of great significance to strengthen the study of economics on this issue and to seek solutions. In view of this, this article intends to select the externalities of government behavior as a theoretical entry point to study the problem of income gap between residents in our country.