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Innovation, imitation, and intellectual property rights
Helpman, Elhanan - 1992
Persistent link: https://www.econbiz.de/10000841064
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Market structure and foreign trade : increasing returns, imperfect competition, and the international economy
Helpman, Elhanan; Krugman, Paul R. - 1996 - 6. print
Persistent link: https://www.econbiz.de/10000975261
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The size of regions
Helpman, Elhanan - 1995
Persistent link: https://www.econbiz.de/10000914246
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North-South R&D spillovers
Coe, David T.; Helpman, Elhanan; Hoffmaister, Alexander W. - 1994
Persistent link: https://www.econbiz.de/10000914348
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Foreign investment with endogenous protection
Grossman, Gene M.; Helpman, Elhanan - 1994
Persistent link: https://www.econbiz.de/10000914354
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Protection for sale
Grossman, Gene M.; Helpman, Elhanan - 1992
Persistent link: https://www.econbiz.de/10000914548
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Endogenous innovation and growth : implicatons for Canada
Fortin, Pierre; Helpman, Elhanan - 1995
Persistent link: https://www.econbiz.de/10000919295
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Rent dissipation, free riding, and trade policy
Grossman, Gene M.; Helpman, Elhanan - 1995
Persistent link: https://www.econbiz.de/10000921312
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Lobbying and legislative bargaining
Helpman, Elhanan; Persson, Torsten - 1998
Persistent link: https://www.econbiz.de/10000992927
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The structure of foreign trade
Helpman, Elhanan - 1998
Persistent link: https://www.econbiz.de/10000993910