Import regulations are globally the most prevalent form of intervention in international trade. The regulations should, under rules of the WTO, protect consumers and the environment but can be used to protect producers. We investigate the ambiguity of intent. We set out a model that when applied...

This paper discusses allocation of burden of proof in environmental disputes in the WTO system. Besides laying down the natural principles that (i) the complainant carries the burden to (ii) make a prima facie case that its claim holds, WTO adjudicating bodies have said little of more general...