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中国管理科学 ›› 2002, Vol. ›› Issue (6): 92-96.

• 论文 • 上一篇    下一篇

双寡头R&D合作与非合作时的最优溢出

霍沛军1,2, 陈剑1, 陈继祥2   

  1. 1. 清华大学经济管理学院, 北京, 100084;
    2. 上海交通大学工商管理系, 上海, 200052
  • 收稿日期:2002-04-24 出版日期:2002-12-28 发布日期:2012-03-06
  • 基金资助:
    国家自然科学基金资助项目(70171014);湖北省自然科学基金项目(2001ABB033)

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

摘要: 本文考虑一个双寡头模型,其中两个企业都从事存在溢出的R&D活动。每个企业在产品市场上进行竞争之前,首先确定自己的R&D投资。根据在R&D阶段和产量阶段是否合作,讨论三种情况下使企业利润最大化的溢出水平。在每种情况下,都讨论了溢出的变动对R&D支出、产量、利润、消费者剩余和社会福利的影响。

关键词: 研究与发展, 溢出, 合作, Cournot均衡, Nash均衡

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

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