1. Introduction 2. What is Third World Development? 3. Aggregate Migration Flows and Development, with a Costa Rican Example 4. Individual Migration and Place Characteristics Related to Development in Venezuela 5. Individual Labour Market Experiences and Place Characteristics Related to Development in Venezuela 6. Policy Apects of Development and Regional Change (I) Population movements from Ecuador's Rural Sierra (II) The Juxtaposition of National Policies and Local Socioeconomic Structures in Ecuador 8. Third World Development as the Local Articulation of World Economics and Political Conditions, Donor-Nation Actions, and G.vernment Policies: Concluding Observations