Bidding among Friends and Enemies with Symmetric Information

Author: Ettinger David  

Publisher: Mohr Siebeck

ISSN: 0932-4569

Source: Journal of Institutional and Theoretical Economics JITE, Vol.166, Iss.2, 2010-06, pp. : 365-385

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Abstract

We consider an auction setting, in a symmetric information framework, in which bidders, even if they fail to obtain the good, care about the price paid by the winner. We prove that the outcome of the first-price auction is not affected by identity-independent price externalities, while the outcome of the second-price auction is. In contrast, identity-dependent price externalities affect the outcome of both auction formats. In any case, the second-price auction exacerbates the effects of price externalities.