Patents, R&D and Lag Effects: Evidence from Flexible Methods for Count Panel Data on Manufacturing Firms
2015 ◽
Vol 39
◽
pp. 469-484
◽
2019 ◽
Vol 22
(1)
◽
pp. 73-92
2018 ◽
Vol 27
(8)
◽
pp. 1209-1220
◽
Keyword(s):
Keyword(s):
Keyword(s):