Contents: Foreword. Preface. Acknowledgments. 1. Introduction: evolving concerns in the study of impact/Michelle Adato and Ruth Meinzen-Dick. 2. Integrating social and economic analyses to study impacts on livelihoods and poverty: Conceptual frameworks and research methods/Michelle Adato, Ruth Meinzen-Dick, Peter Hazell and Lawrence Haddad. 3. Rice research, technological progress, and poverty: the Bangladesh case/Mahabub Hossain, David Lewis, Manik L. Bose and ...