共 40 条
[7]
Competition & Innovation: Evidence from U . S . Patent and Productivity Data[J] . Juan A. Correa,Carmine Ornaghi.J Ind Econ . 2014 (2)
[10]
Competition and Innovation: The Inverted-U Relationship Revisited[J] . Aamir Rafique Hashmi.Review of Economics and Statistics . 2013 (5)