First mover advantage in a dynamic duopoly with spillover
AbstractWe present a dynamic duopoly model of technical innovation where 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 favour of the investment activity.
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Bibliographic InfoPaper provided by Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE) in its series DISCE - Quaderni dell'Istituto di Teoria Economica e Metodi Quantitativi with number itemq0955.
Length: 41 pages
Date of creation: Jul 2009
Date of revision:
R&D; knowledge spillover; dynamic oligopoly;
Other versions of this item:
- Femminis Gianluca & Martini Gianmaria, 2010. "First-Mover Advantage in a Dynamic Duopoly with Spillover," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 10(1), pages 1-46, November.
- 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
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-07-28 (All new papers)
- NEP-COM-2009-07-28 (Industrial Competition)
- NEP-INO-2009-07-28 (Innovation)
- NEP-MIC-2009-07-28 (Microeconomics)
- NEP-TID-2009-07-28 (Technology & Industrial Dynamics)
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