Papers and Proceedings of the Hundred and Fifth Annual Meeting of the American Economic Association || Science, R&D, and Invention Potential Recharge: U.S. Evidence
James D. AdamsVolume:
83
Language:
english
Journal:
The American Economic Review
DOI:
10.2307/2117708
Date:
May, 1993
File:
PDF, 213 KB
english, 1993