The Global Agglomeration of Multinational Firms
---- Acknowledgements -----
We are very grateful to the Editor Stephen Yeaple and two anonymous referees for their insightful comments and suggestions. We thank Jim Anderson, Bruce Blonigen, James Harrigan, Keith Head, Tarun Khanna, Jim Markusen, Keith Maskus, Mike Moore, Henry Overman, John Ries, Roberto Samaneigo, Tony Yezer, and seminar and conference participants at Harvard Business School, University of Virginia Darden School of Business, George Washington University, the AEA meeting, the ETSG meeting, the EIIT meeting, and the LACEA Trade, Integration and Growth Meeting for helpful suggestions, William Kerr for discussions on the agglomeration indices and kindly providing us the patent concordance data, Bill Simpson for advice on computing the indices, John Elder, Elizabeth Meyer, Francisco Pino, and Hillary White for research assistance, Dennis Jacques for help with the D&B dataset, and HBS and GW for financial support. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.