... Advertising and Marketing (Ba d H omburg), Simon Anderson, Simon Board, Jim Dana, Andrew Daughety, Hao Li, Regis Renaul t, and, particularly, Yuk-Fai Fong and Monic Jiayin Sun for detailed and helpful ... by consumers, and later, in Section3See, also, Möller and Watanabe (2008) and Nocke and Peitz (2008).4There is a wide literature that has considered information gathe ring and more-general ... . SeeCremer and Khalil (1992), Lewis and Sappington (1997), Cremer et al. (1998a,b), and Bergemann and Välimäki(2002) or, in the cont ext of auctions, Ganuza and Penal va (2006) and references...