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Sequencing R&D Decisions in a Two-period Duopoly with Spillovers

  • Madjid Amir

    (University of Kalsruhe)

  • Rabah Amir

    (University of Southern Denmark)

  • Jim Jin

    (The Queen's University of Belfast)

We compare simultaneous versus sequential moves in R&D decisions within an asymmetric R&D/Cournot model with linear demand (for differentiated products), general R&D costs, and spillovers. Simultaneous play and sequential play (with and without a specified leader) can emerge as appropriate formulations, depending on the ratios of spillover rate over demand cross-slope, but not on R&D efficiency. When at least one ratio is above ½, a sequential solution mitigates competition and leads to higher profits for each firm, and to higher social welfare. When uniquely specified, the stronger firm emerges as the R&D first-mover.

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Paper provided by University of Copenhagen. Department of Economics. Centre for Industrial Economics in its series CIE Discussion Papers with number 1999-06.

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Length: 26 pages
Date of creation: May 1999
Date of revision:
Publication status: Published in: Economic Theory. March 2000; 15(2): 297-317
Handle: RePEc:kud:kuieci:1999-06
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