Equilibrium research joint ventures

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Abstract

Research joint ventures (RJVs) avoid duplication of R and D costs and facilitate knowledge diffusion. However, sharing R and D output intensifies post-innovation market competition and hence hampers firms' incentive to join an RJV. In this paper, RJV formation is modeled as a noncooperative sequential game, as in Bloch (1995, “Endogenous structures of association in oligopoly”, RAND Journal of Economics 26, 537–556). I show that in equilibrium a unique RJV exists, and it comprises of only a subset of the firms in the industry unless R and D cost is low. Moreover, the equilibrium RJV is larger than the size that maximizes the profit per member firm but smaller than the socially optimal size. When firms initially have different marginal costs, various RJV structures can emerge in equilibrium. For some parameter values of the model, large (low-cost) firms join hands in R and D, leaving small (high-cost) firms as outsiders. For other parameter values, a group of large firms invite small firms, instead of other large firms, to form an RJV.
Original languageEnglish
Title of host publicationThe economics of innovation: Incentives, cooperation, and RandD policy
PublisherEmerald
Pages143-156
Number of pages14
ISBN (Print)9780444532558
DOIs
Publication statusPublished - 1 Jan 2008

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LIN, P. (2008). Equilibrium research joint ventures. In The economics of innovation: Incentives, cooperation, and RandD policy (pp. 143-156). Emerald. https://doi.org/10.1016/S0573-8555(08)00208-3