Papers and Proceedings of the Hundred and Fifth Annual Meeting of the American Economic Association || An Event-Study Approach to Measuring Innovative Output: The Case of Biotechnology
David H. AustinVolume:
83
Language:
english
Journal:
The American Economic Review
DOI:
10.2307/2117673
Date:
May, 1993
File:
PDF, 205 KB
english, 1993