The claim by global trade modelers that the potential contribution to global economic welfare of removing agricultural subsidies is less than one-tenth of that from removing agricultural tariffs puzzles many observers. To help explain that result, this paper first compares the OECD and model-based estimates of the extent of the producer distortions (leaving aside consumer distortions), and show...

In the context of the Doha Development Round, the vast majority of computable general equilibrium studies examine agricultural trade led gains to developing countries, whilst European Union based studies are scarce and only one assessment exists in the case of Spain. This study also focuses on Spain, whilst developing the literature in two ways. Firstly, a more realistic representation of the a...