TY - BOOK AU - Coulibaly, Souleymane ED - World Bank TI - Evaluating the trade effect of developing regional trade agreements: a semi-parametric approach T2 - World Bank policy research working papers AV - IBRD(08)PRWP PY - 2007/// CY - Washington, D.C. PB - World Bank KW - TRADE POLICY--ZIMBABWE KW - REGIONAL TRADE AGREEMENTS ER -