In numerous studies, economists have found little empirical evidence that environmental regulations affect trade flows. In this paper, we propose and test several common explanations for why the effect of environmental regulations on trade may be difficult to detect. We demonstrate that while...

U.S. Presidential Executive Order 13141 commits the United States to a "careful assessment and consideration of the environmental impacts of trade agreements." The most direct mechanism through which trade liberalization would affect environmental quality in the U.S. is through changes in the...