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...

The impact of aid inflows on relative prices and output is ambiguous. Aid inflows that increase domestic expenditure are likely to cause real exchange rate appreciation, ceteris paribus. However, if this expenditure raises the capital stock in the traded goods sector, then output in this sector...

While we know a lot about how countries become prosperous, we have only begun to understand how aid contributes to economic growth and poverty reduction. The development record is mixed and no robust association between the volume of aid and development performance has been discovered. The...