NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Determinants and Consequences of Friendship Composition

Jason M. Fletcher, Stephen L. Ross, Yuxiu Zhang

NBER Working Paper No. 19215
Issued in July 2013

---- Acknowledgements -----

The authors thank the NICHD for financial support. The authors benefited from helpful suggestions by participants at seminars at University of Connecticut, University at Albany-SUNY, Federal Reserve Bank of Atlanta, the NBER's Education Program and Childrens Program Joint Meetings, and the 2012 Add Health Users Conference. We thank Edward Vytlacil, Ken Frank, Janet Currie, Caroline M. Hoxby, Kevin Lang, Damon Clark and David Frisvold for valuable comments. Research reported in this publication was supported by the Eunice Kennedy Shriver National Institute Of Child Health & Human Development of the National Institutes of Health under Award Number R21HD066230. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health or the National Bureau of Economic Research. This research uses data from Add Health, a program project directed by Kathleen Mullan Harris and designed by J. Richard Udry, Peter S. Bearman, and Kathleen Mullan Harris at the University of North Carolina at Chapel Hill, and funded by grant P01-HD31921 from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, with cooperative funding from 23 other federal agencies and foundations. Special acknowledgment is due Ronald R. Rindfuss and Barbara Entwisle for assistance in the original design. Information on how to obtain the Add Health data files is available on the Add Health website (http://www.cpc.unc.edu/addhealth). No direct support was received from grant P01-HD31921 for this analysis.

---- Disclosure of Financial Relationships for Stephen L. Ross -----

Ross gratefully acknowledges funding from the National Institute for Child Health and Development, the MacArthur Foundation, the Ford Foundation. Ross has also worked recently as a consultant for the Urban Institute and for K&L Gates LLP.

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