Citation Frequency and the Value of Patented Inventions

Review of Economics and Statistics - Tập 81 Số 3 - Trang 511-515 - 1999
Dietmar Harhoff1, Francis Narin2, F. M. Scherer3, Katrin Vopel4
1University of Munich, Mannheim
2CHI Research Inc., Mannheim
3Harvard University, Mannheim
4Center for European Economic Research, Mannheim

Tóm tắt

Từ khóa


Tài liệu tham khảo

Griliches Zvi, 1990, Journal of Economic Literature, 28, 1661

Jaffe Adam B, 1998, NBER Reporter, 8

10.1111/1467-6451.00068

10.1177/056943459604000107

10.1007/BF02018015

10.2307/2555502