Coal Displacement and Air Pollution: Evidence from China’s “2+26” Cities Environment Policy
Meng Liu

Abstract
In order to solve the environmental problems in the Beijing-Tianjin-Hebei and surrounding areas during the heating season, the Chinese government issued Coal displacement policy in the “2 + 26” cities in the area. This research uses the environmental data from “2 + 26” cities and 25 surrounding cities during the period from 2015 to 2018, employing Different-In-Different research methods to analyze the environmental improvement effect by the policy in the area. We find that the policy makes significant impact on improvement of air condition in the “2 + 26” cities during the heating season.

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