【作者(必填)】Joseph S. Shapiro, Reed Walker

【文题(必填)】Why Is Pollution from US Manufacturing Declining? The Roles of Environmental Regulation, Productivity, and Trade

【年份(必填)】2018

【全文链接或数据库名称(选填)】https://www.aeaweb.org/articles?id=10.1257/aer.20151272