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

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...

Many international organisations, including the European Parliament, see reducing food loss and waste as a priority. They argue that this will increase the efficiency of resource use and have beneficial environmental effects. This paper asserts that the scale of the problem has been overstated...