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Innovation, imitation, and intellectual property rights
Helpman, Elhanan - 1992
Persistent link: https://www.econbiz.de/10000839471
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Quality ladders and product cycles
Grossman, Gene M.; Helpman, Elhanan - 1989
Persistent link: https://www.econbiz.de/10000781819
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Endogenous innovation in the theory of growth
Grossman, Gene M. - 1993
Persistent link: https://www.econbiz.de/10000876938
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Growth, trade, and inequality
Grossman, Gene M.; Helpman, Elhanan - 2014
Persistent link: https://www.econbiz.de/10010419518