共 20 条
[1]
AKIYAMA T, 2009, APPENDIX INTELLECTUA
[3]
BESSEN J, 2008, RAND J EC IN PRESS
[4]
CADOT O, 1995, 434 U CAL W MAN SCI
[6]
DUTT P, 2007, TRADE SKILL BIAS ITS
[10]
INNOVATION, IMITATION, AND INTELLECTUAL PROPERTY-RIGHTS
[J].
ECONOMETRICA,
1993, 61 (06)
:1247-1280