NAFTA’s investment treaty has led to several expropriation compensation claims from investors hurt by new environmental regulations. Expropriation clauses in international treaties solve post-investment moral hazard problems such as hold-ups. However, these clauses can interact with...

We show that harmonizing emissions policy may be bad for the environment and/or global welfare, even when pollution is transboundary and countries are identical in every way. Harmonization effectively internalizes the transboundary aspects of pollution. But it also hampers producers’...

Unintentional introductions of non-indigenous plants, animals, and microbes cause significant ecological and agricultural crop damage worldwide. There is an emerging empirical link between international trade and the frequency and damage of such introductions. We explore the effects of domestic...

In this comprehensive reference work, Kevin Gallagher has compiled a fresh and broad-ranging collection of expert voices commenting on the interdisciplinary field of trade and the environment. For over two decades policymakers and scholars have been struggling to understand the relationship...