Should Public Sectors Be Complements of Private Sectors?

Author: Ishibashi Ikuo   Matsushima Noriaki  

Publisher: Mohr Siebeck

ISSN: 0932-4569

Source: Journal of Institutional and Theoretical Economics JITE, Vol.168, Iss.4, 2012-12, pp. : 712-730

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Abstract

We discuss competition between high-quality private service providers that maximize their own profits and a low-quality public service provider that maximizes social surplus. Two heterogeneous consumer groups exist: those who demand only high-quality services and those who care little whether services are high- or low-quality. The setting reflects the fact that some consumers feel dissatisfaction with public service providers. We show that, under certain conditions, social welfare is smaller when there is a public service provider than when there is not. The result holds even though the efficiency of the public service is equal to that of the private services.