Éditeur(s) : Sector Publico Agricola, Instituto de Ciencia y Tecnologia AgricolasSector Publico Agricola, Instituto de Ciencia y Tecnologia Agricolas Résumé : Cover title. "An invited paper prepared for presentation of the 12th West Indian Agricultural Economics Conference, Caribbean Agro-Economic Society, 24-30 April, 1977, in Antigua. Includes bibliographical references (p. 33). (Funding) Electronic resources created as part of a prototype UF Institutional Repository and Faculty Papers project by the University of Florida. Guatemala. Caribbean Guatemala Guatemala