Arozamena, Leandro; Weinschelbaum, Federico - Departamento de Economía, Universidad Torcuato Di Tella - 2010
We examine the problem of endogenous entry in a single-unit auction when the seller's welfare depends positively on the utility of a subset of potential bidders. We show that, unless the seller values those bidders' welfare more than her own "private" utility, a nondiscriminatory auction is optimal.