NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Origins of Industrial Scientific Discoveries

James D. Adams, J. Roger Clemmons

NBER Working Paper No. 13823
Issued in February 2008

---- Acknowledgements -----

The Andrew W. Mellon Foundation has generously supported this research. We thank Nancy Bayers and Henry Small of Thomson Scientific for advice concerning the data. We also thank Ernie Berndt, Nick Bloom, Wes Cohen, Wayne Gray, Mike Scherer, Scott Stern, and John Van Reenan for helpful comments. Presentations at the NBER Productivity Meetings, the NBER productivity seminar, Rensselaer Polytechnic Institute, and the University at Albany have substantially improved this paper. Any errors are our responsibility. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

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