This book is based on the proceedings of a conference held in June 1996 under co-sponsorship of the International Agricultural Trade Consortium and The Retail Food Industry Center. The International Agricultural Trade Research Consortium (lA TRC) is a group of 160 economists from 16 countries who are interested in fostering research relating to international trade of agricultural products and commodities and providing a forum for the exchange of ideas. Each summer the IATRC sponsors a symposium on a topic relating to trade and trade policy from which proceedings are published. A list of past symposia and related publications may be obtained from Laura Bipes, IATRC Executive Director, Department of Applied Economics, University of Minnesota, St. Paul, Minnesota 55108.