Agricultural Policy and Trade Reform : Potential Effects at Global National and Household Levels Widespread agricultural policy reform would undoubtedly improve global economic welfare but would also produce a complex pattern of economic winners and losers. Using a combination of global national and household level analysis this study examines such distributional implications focusing especially on differences in policy effects among countries and between different sectoral and household constituencies within countries. Case study summaries are included for Brazil Italy Malawi Mexico and the United States.