Applied general and partial equilibrium models are widely used tools for ex ante analysis of trade policy changes. However, simulation results seem to exhibit significant variation across publications, and the often criticised ‘black box’ character of applied trade models makes meaningful...

Economists use partial and general equilibrium trade simulation models toestimate the impact of changes in domestic policies and international trade rules.During the WTO Doha Development Agenda (DDA) negotiations economists haveproduced many different estimates of the gains that would result...