The Collapse of the Soviet Union and the Productivity of American Mathematicians
---- Acknowledgements ----
We are grateful to Graeme Fairweather, Patrick Ion, Erol Ozil, and Norm Richert from the American Mathematical Society for extensive collaboration and support in preparing the data. This project profited from the excellent programming of Andrew Stellman of Stellman and Greene Consulting. We have benefited from comments made by many economists and mathematicians, including Ran Abramitzky, Orley Ashenfelter, Pierre Azoulay, Robert Barro, Witold Biedrzycki, Brent Doran, Charles Doran, David Ellwood, William Evans, Henry Farber, Richard Freeman, John Friedman, Joshua Goodman, Daniel Hamermesh, Arthur Jaffe, Lawrence Katz, Petra Moser, Michael Rothschild, Lawrence Shepp, Fabian Waldinger, Bruce Weinberg, Heidi Williams, numerous seminar participants, and three referees. The authors are grateful to the Upjohn Institute, the Kauffman Foundation, and the Sloan Foundation for their financial assistance. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.