Wijnbergen, Sweder Van Transition problems in economic reform: agriculture in the Mexico-U.S. free trade agreement by Santiago Levy and Sweder van Wijnbergen - Washington, D.C. IBRD 1992 - 19p. - Working Papers WPS 967 . Subjects--Topical Terms: Free trade --United StatesFree trade --MexicoAgriculture --Economic aspects --Mexico