共 50 条
- [1] INNOVATION, IMITATION, AND INTELLECTUAL PROPERTY-RIGHTS [J]. ECONOMETRICA, 1993, 61 (06) : 1247 - 1280
- [2] INNOVATION, INTELLECTUAL PROPERTY-RIGHTS AND THE URUGUAY ROUND [J]. WORLD ECONOMY, 1990, 13 (03): : 411 - 426
- [8] INTELLECTUAL PROPERTY-RIGHTS [J]. BULLETIN OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE, 1986, 12 (05): : 13 - 15