Strategic Commitment with R&D: The Symmetric Case

James A. Brander, Barbara J. Spencer
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引用次数: 483

Abstract

When research and development take place before the associated output is produced, imperfectly competitive firms may use R&D for strategic purposes rather than simply to minimize costs. Using a simple symmetric two-stage Nash duopoly model, we show that such strategic use of R&D will increase the total amount of R&D undertaken, increase total output, and lower industry profit. However, the strategic use of R&D introduces inefficiency in that total costs are not minimized for the output chosen. Nevertheless, net welfare may rise, and certainly rises if products are homogeneous, marginal cost is non-decreasing, and demand is convex or linear.
战略承诺与研发:对称案例
当研究和开发发生在相关产出产出之前时,不完全竞争的企业可能会将研究和开发用于战略目的,而不是简单地将成本最小化。利用一个简单的对称两阶段纳什双寡头模型,我们证明了这种战略性的研发利用将增加研发总量,增加总产量,降低行业利润。然而,研发的战略性使用引入了低效率,因为所选产出的总成本没有最小化。然而,净福利可能会上升,如果产品是同质的,边际成本不下降,需求是凸的或线性的,那么净福利肯定会上升。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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