Why Do Firms Own Production Chains?
---- Acknowledgements ----
Hortaçsu thanks the NSF (SES-1124073) and Syverson thanks the NSF (SES-0519062), the John M. Olin Foundation, and the Stigler Center for funding. The research in this paper was conducted while the authors were Special Sworn Status researchers of the U.S. Census Bureau at the Chicago Census Research Data Center. Research results and conclusions expressed are those of the authors and do not necessarily reflect the views of the Census Bureau. This paper has been screened to insure that no confidential data are revealed. Support for this research at the Chicago RDC from NSF (awards no. SES-0004335 and ITR-0427889) is also gratefully acknowledged. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.