Mixed oligopoly, productive efficiency, and spillover

Susumu Cato ()
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Susumu Cato: Graduate School of Economics, The University of Tokyo

Economics Bulletin, 2008, vol. 12, issue 33, 1-5

Abstract: The purpose of this paper is to examine the public sector's cost-reducing investment when there exists the effect of R&D spillover. We show that the investment in the mixed oligopoly is not higher than that in the public monopoly. When the cost-reducing effect of investment for each firm is the same, the investment in the mixed oligopoly is equal to that in the public monopoly. In such a case, the emergence of private firms has a positive impact on social welfare. Our model is an extended version of Nishimori and Ogawa (2002), which study the R&D investment by the public sector.

Keywords: state-owned; public; firm (search for similar items in EconPapers)
JEL-codes: L0 L3 (search for similar items in EconPapers)
Date: 2008-12-08
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Citations: View citations in EconPapers (3)

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