The levels of support that trade and domestic farm policies afford to agriculture, and the related processes of policy reform intended to improve the economic efficiency of agricultural production, processing, and marketing, are important issues for developing countries. The effects of policy on agriculture are well documented for wealthy countries, especially by the established and respected studies from the Organisation for Economic Cooperation and Development. However, systematic analysis is often lacking for poor countries because of the difficulty and cost of measuring policy effects consistently over time and across commodities. This study contributes to filling the existing research gap by examining the impacts of agricultural polici...