First-Mover Advantage in a Dynamic Duopoly with Spillover
AbstractWe present a dynamic duopoly model of technical innovation in which R&D costs decrease exogenously with time and inter-firm knowledge spillover lowers the second comer's R&D cost. The spillover effect only becomes available after a disclosure lag. These features allow us to identify a new type of equilibrium: the leader delays investment until the R&D cost is low enough that the follower finds it optimal to invest as soon as he can benefit from the spillover. This equilibrium is subgame perfect over a wide range of parameters and raises several interesting implications. First, in our new equilibrium, the time delay between the two R&D investments is realistically short. Second, while the presence of a spillover favors the second-mover, this benefit is not enough to rule out a first-mover advantage. Indeed, the first-mover advantage survives whenever technical progress is sufficiently fast and the disclosure lag is relatively long. Third, in case of a major innovation, our equilibrium implies under-investment, which requires a substantial public intervention in favor of the investment activity.
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Bibliographic InfoArticle provided by De Gruyter in its journal The B.E. Journal of Theoretical Economics.
Volume (Year): 10 (2010)
Issue (Month): 1 (November)
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Other versions of this item:
- Gianluca Femminis & Gianmaria Martini, 2009. "First mover advantage in a dynamic duopoly with spillover," DISCE - Quaderni dell'Istituto di Teoria Economica e Metodi Quantitativi itemq0955, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
- L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
- L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
- O33 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
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