Fluet, Claude; Garella, Paolo G. - Département des Sciences Économiques, École des … - 1999
reexamines the debate as to whether firms use price or advertising to signal quality and whether advertising has pro- or anti …-competitive effects. We show that the signaling theory strongly predicts that advertising signals quality if price rivalry prevails, in …; combined price-advertising signals must be used when this difference shrinks. From a welfare point of view, advertising leads …