Conditional Cash Transfers in Education Design Features, Peer and Sibling Effects Evidence from a Randomized Experiment in Colombia

Felipe Barrera-Osorio, Marianne Bertrand, Leigh L. Linden, Francisco Perez-Calle

NBER Working Paper No. 13890
Issued in March 2008

---- Acknowledgements ----

An undertaking of this magnitude requires the assistance of many individuals. We are most indebted to the Secretary of Education of Bogota for cooperating with us in this novel experiment, putting up with the constraints created by the research effort, and, of course, financially supporting the entire project. Fedesarrollo, the think tank for which Barrera-Osorio and Perez were working at the execution of the project, provided financial support as well and helped the SED in the design and implementation of the program. While everyone at the SED has been extremely helpful we are particularly indebted to Abel Rodriguez, Catalina Velasco and Margarita Vega. We are indebted to Silvia Restrepo of Fedesarrollo for the logistical assistance and for the data collection. Camilo Dominguez has done an excellent job as a research assistant during the entire project, and we thank Carlos Ospino and Lucas Higuera for their help at key points in the effort. We thank Sendhil Mullainathan and Mario Sanchez for their comments and assistance, and thank the seminar participants at the World Bank's Human Development Network, Columbia University's Department of Economics, NBER Summer Education Meeting, Rutgers University's Department of Economics, New York University's Robert F. Wagner School of Public Service, the LACEA Impact Evaluation Network and the CIPREE/BREAD Conference for their helpful question and comments. All errors are of course (and unfortunately) our responsibility. Please send correspondence to Leigh Linden at The opinions expressed in this document reflect only the views of the authors and in no way reflect the opinions of the World Bank, the Colombian Ministry of Education, or the National Bureau of Economic Research.

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