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Chinese Journal of Management Science ›› 2002, Vol. ›› Issue (6): 92-96.

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Optimal Spillovers for Cooperative and Noncooperative R&D in Duopoly

HUO Pei-jun1,2, CHEN Jian1, CHEN Ji-xiang2   

  1. 1. School of Economics and Management, Tsinghua University, Beijing 100084, China;
    2. Department of Business Administration, Shanghai Jiao Tong University, Shanghai 200052, China
  • Received:2002-04-24 Online:2002-12-28 Published:2012-03-06

Abstract: This paper considers a duopolistic model where the two firms both conduct R&D activities with spillovers.Each firm decides its R&D investment before they compete in the product market.According to whether cooperation exists in R&D stage and output stage,the paper studies the spillover levels that maximize the profits of the firms under three cases.The effects of change of spillovers on R&D expenditures,outputs,profits,consumer surplus and social welfare are analyzed under every case.

Key words: R&D, spillovers, cooperation, Cournot equilibrium, Nash equilibrium

CLC Number: