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Fabio Privileggi

Membro Associato a POLIS
Ufficio 307
Via Cavour 84, 15121 Alessandria

email: fabio.privileggi@unito.it
Fax: 0131 283 704





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MARCHESE Carla, Simone MARSIGLIO, Fabio PRIVILEGGI and Giovanni B. RAMELLO (2017), "Endogenous Recombinant Growth and Intellectual Property Rights" n. 23 .
J.E.L codes: K11; L16; L43; O31; O34; O41
Keywords: Endogenous Recombinant Growth; Intellectual Property Rights; Knowledge Production; Welfare

Abstract
We show that, even in a framework in which monopolistic exploitation of patents does not occur, patents still give rise to serious drawbacks. We build on Weitzman’s (1998) recombinant growth model which provides a stylized but clear description of the formation of knowledge externalities. In our framework a benevolent government buys immediately new patents in a competitive market and releases their contents for free. We show that inefficiencies nevertheless arise and welfare can be improved by correcting the market price through a tax-subsidy scheme. We characterize the (asymptotic) steady state equilibrium, and some properties of the transitional path. We show that if certain conditions are met, then the economy will converge to its (asymptotic) balanced growth path, and along such a path growth will be independent of the policy parameter; conversely, transition dynamics are affected by the choice of the policy parameter. We then quantitatively analyze the effect of different policy interventions on welfare, and show that stricter tax (weaker appropriability) regimes lead to higher social welfare.

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