Consumer choice among brands to add to supermarket shopping baskets provided insights that fueled a long stream of research into market structure, that is, the distinction between brands that compete for the same purchase decision. However, the range of brands appearing in such shopping baskets...

Marketing practitioners have recognized a need to measure customer-generated media in addition to the traditional marketing metrics. Message boards, chat rooms, blogs, and virtual brand communities have become important venues for customer generated media. These communities can be modeled as two...