sustainability impact assessment of proposed wto negotiations mid term report for the agriculture sector study prepared by oliver morrissey dirk willem te velde ian gillson and steve wiggins overseas development institute london uk in association with annie dufey maryanne grieg gran international environment iied research centre policy management university manchester 31 st january 2005 draft to be reviewed european commission this was financial assistance from communities views expressed herein are those contractor do not represent any official view has been under framework contract no trade 01 f3 1 specific agreement 3 project reports information about available website http www sia org table contents executive summary list abbreviations 4 introduction 5 2 methodology applied 6 scenarios 10 liberalisation on economic welfare 11 case studies 16 brazil net