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...

This research uses P&G's value pricing initiative as a context for testing the ability of a normative economic model to predict competitor and retailer response. We first estimate the response parameters of a demand function for each brand from the period before value pricing was initiated. We...