Immigration, International Collaboration, and Innovation: Science and Technology Policy in the Global Economy

Richard B. Freeman

NBER Working Paper No. 20521
Issued in September 2014

---- Acknowledgments ----

We thank The Alfred P. Sloan Foundation for support of the NBER Science and Engineering Workforce Project The views expressed herein are those of the author and do not necessarily reflect the views of the National Bureau of Economic Research.

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