It is well established that consumers' evaluations of brand extensions depend on the quality of the parent brand and the fit between that brand and the extension category. We propose that the relative importance of these two factors is influenced by two key features of a typical shopping...

We investigate how consumer word of mouth (WOM) develops over time and in turn influences new product adoption. We develop a dynamic aggregate-level model of WOM development and new product diffusion that explicitly captures consumers’ learning of product quality from both marketing...