Recent trends in online retailing suggest that "33% of buyers often or sometimes make unplanned purchases" [Annual Retail Consumer Survey Report. Jupiter Research 2003.]. Findings based on online retailing trends also suggest that both search engines and infomediaries are beginning to play a...

The issue of consumer heterogeneity in discrete choice analysis has been attracting much attention recently. Research has suggested that heterogeneity can result in biased parameter estimates which, in turn, can lead to incorrect conclusions. Among the many methods proposed in the literature to...

There are many products which are repeatedly purchased by consumers. In such cases it is likely that choice history, that is the sequence of choices made in the past, as well as marketing variables affect subsequent choice decisions. Attempts to model the effects of choice history have been...

Across three studies we examine the relative importance of online versus offline information for Internet purchases. Study 1 reveals that the relative importance of online information is higher for utilitarian products (computer hardware and software) than for hedonic products (books, music, and...