Durable Goods Warranties and Social Welfare

Posted: 23 Feb 2006

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In this paper, I investigate the effect warranties have on durable goods markets. Many if not goods that are sold with a warranty are durable goods, thus, it is extremely important to consider the role of warranties in a durable goods setting. This paper analyzes the signaling role of warranties by embedding a warranty into a framework of durable-goods monopolist. I investigate the monopolist's decision regarding what level of reliability he should offer for his products and whether he should offer to repair them. It is shown that the warranty solves the moral hazard problem of whether more reliable products should be provided. Remarkably, if a warranty can be offered, asymmetric information can improve social welfare.

Keywords: warranty, durable goods market, aftermarket, asymmetric information

JEL Classification: D82, L12, L15

Suggested Citation

Utaka, Atsuo, Durable Goods Warranties and Social Welfare. Journal of Law, Economics, and Organization, Vol. 22, No. 2, Fall 2006, Available at SSRN: https://ssrn.com/abstract=883693

Atsuo Utaka (Contact Author)

Kyoto University ( email )


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