NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Birds of a Feather - Better Together? Exploring the Optimal Spatial Distribution of Ethnic Inventors

Ajay Agrawal, Devesh Kapur, John McHale

NBER Working Paper No. 12823
Issued in January 2007

---- Acknowledgements -----

We thank Thomas Astebro, Iain Cockburn, Bill Cooper, Jeff Furman, Zeynep Hansen, Ramana Nanda, Joanne Oxley, Bhaven Sampat, Brian Silverman, Jasjit Singh, Olav Sorenson, Daniel Trefler, and Arvids Ziedonis as well as seminar participants at NBER, MIT, ISNIE, Queen's University, University of Toronto, and the Canadian Economics Association who offered helpful comments. We also thank Alex Oettl who provided excellent research assistance. Errors and omissions are our own. This research was funded by the Social Sciences and Humanities Research Council of Canada (Grant No. 410-2004-1770) and by Harvard University's Weatherhead Initiative grant. Their support is gratefully acknowledged. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

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