Multi-Market Competition, R&D, and Welfare in Oligopoly

被引：9

作者：

Kawasaki, Akio ^{[1
]}

Lin, Ming Hsin ^{[2
]}

Matsushima, Noriaki ^{[3
]}

机构：

[1] Kagoshima Univ, Fac Educ, Kagoshima 8900065, Japan

[2] Osaka Univ Econ, Fac Econ, Osaka 5338533, Japan

[3] Osaka Univ, Inst Social & Econ Res, Osaka 5670047, Japan

来源：

SOUTHERN ECONOMIC JOURNAL | 2014年 / 80卷 / 03期

关键词：

EXCESS-ENTRY THEOREM; MONOPOLISTIC COMPETITION; FIRMS; SPILLOVERS; SUBSIDIES; INDUSTRY; DUOPOLY;

D O I：

10.4284/0038-4038-2012.190

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

We investigate a multi-market Cournot model with strategic process research and development (R&D) investments wherein a multi-market firm meets new competitors that enter one of the markets. We show that entry can enhance the total R&D expenditures of the multi-market firm. Moreover, the incumbent's profit nonmonotonically changes as the number of entrants increases. Depending on the fixed entry costs and R&D technologies, both insufficient and excess entry can appear. Our results imply that diversification of their products can be a useful strategy for firms.

引用

页码：803 / 815

页数：13

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