0 Reverse-Share-Tenancy and Marshallian Inefficiency: Bargaining Power of Landowners and the Sharecropper’s Productivity HOSAENA H. GHEBRU International Food Policy Researc Institute (IFPRI), 2033 K. Street, Washington, DC, 20006, USA, Email: h.g.hagos@cgiar.org AND STEIN T. HOLDEN Department of Economics and Resource Management (IØR),Norwegian University of Life Sciences (UMB), P.O.Box 5003, N_1432, Aas, Norway Selected paper prepared for presentation at the International Association of Agricultural Economists (IAAE) Triennial Conference, Foz do Iguaçu, Brazil, 18-24 August, 2012 Copyright 2012 by [authors]. All rights reserved. Readers may make verbatim copies of this document for non-commercial purpose by any means, provided that this copyright notice appears on all such copies.