There is no doubt that trade and climate policies can be mutually destructive. But there are three strong reasons to suggest that they can also be mutually supportive: they have a common problem, common foes, and common friends. Mutual support would be much stronger if the world regimes for...

This paper uses detailed data on bound and applied tariffs to assess the consequences of the WTO's December 2008 Modalities for tariffs levied and faced by developing countries, and the welfare implications of these reforms. We find that the tiered formula for agriculture would halve tariffs in...