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以2003-2010年中国261个地级市为样本,实证检验了官员更替对地区环境的影响。结果显示:官员更替对地区环境有短期的负面影响;更替发生当年,地区污染加重;在接任官员的任期内,官员对辖区环境有积极影响。同时,地区环境状况也受官员特征的影响,如异地调任的市长对地区环境的消极影响更大;地区污染程度随着官员任期的延续先下降后上升,呈U形变化。因此,在我国城市污染的治理中,应合理调整官员的调任制度,改变以往单一的官员考核指标,应是治理城市污染的重要治本措施之一。
Based on the sample of 261 prefecture-level cities in China from 2003 to 2010, this paper empirically tests the impact of official turnover on the regional environment. The results showed that the replacement of officials had a short-term negative impact on the regional environment. In the same year, the regional pollution was aggravated. Officials had a positive impact on the environment during the tenure of officials. At the same time, the regional environmental conditions are also affected by the characteristics of officials. For example, the mayors transferred from other places have a greater negative impact on the local environment. The pollution levels of the regions first and then decrease with the extension of tenure of officials, showing a U-shaped change. Therefore, in the management of urban pollution in our country, it is necessary to adjust the transfer system of officials reasonably and to change the past single officials’ assessment indexes, which should be one of the important remedies to control urban pollution.