中文摘要：

基于2004—2015年中国省际面板数据,采用动态系统GMM估计方法,考察了环境规制对中国对外直接投资（OFDI）的影响。基于全国样本的回归结果表明：正式环境规制对OFDI具有显著的负向作用,但非正式环境规制对OFDI具有显著的正向作用。分区域回归结果显示：环境规制对OFDI的影响存在区域差异。具体而言：正式环境规制对东、西部地区的OFDI具有显著的负向影响,对中部地区的OFDI具有促进作用;非正式环境规制对中、西部地区的OFDI具有显著的正向影响,而对东部地区OFDI的影响不显著。指出：政府需要根据区域经济差异对不同动机的OFDI提供相应的配套服务。

英文摘要：

Based on the provincial dynamic panel data of China,this paper discusses the impact of environmental regulation on outward foreign direct investment（OFDI）of China by using the system GMM estimation method.The regression result based on national sample indicates that formal environmental regulation has a significant negative effect on OFDI,but informal environmental regulation has a significant positive effect on OFDI.The regression result based on regional sample shows as follows：formal environmental regulation has a significant negative impact on OFDI in eastern and western regions;informal environmental regulation has a significant positive impact on OFDI in central and western regions,and has no significant impact on OFDI in eastern region.Therefore,local governments need to provide corresponding supporting services for OFDI with different motivations according to regional economic differences.