NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Global Collaborative Patents

Sari Pekkala Kerr, William R. Kerr

NBER Working Paper No. 21735
Issued in November 2015

---- Acknowledgements ----

Comments are appreciated and can be sent to skerr3@wellesley.edu and wkerr@hbs.edu. We thank seminar participants and two anonymous referees for very helpful comments. This research is generously supported by the Alfred Sloan Foundation, the Kauffman Foundation, the National Science Foundation, and Harvard Business School. William Kerr is a Research Associate of the Bank of Finland and thanks the Bank for hosting him during a portion of this project. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

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