This paper uses detailed data on bound and applied tariffs to assess the consequences of the World Trade Organization's December 2008 Modalities for tariffs levied and faced by developing countries, and the welfare implications of these reforms. The authors find that the tiered formula for...

This paper has two purposes. It first considers the impact on world food prices of the changes in restrictions on trade in staple foods during the 2008 world food price crisis. Those changes-reductions in import protection or increases in export restraints-were meant to partially insulate...