The authors discuss some shortcomings of probabilistic choice models which do not capture product interdependencies. When substitutional relationships are present in the marketplace, these models may lead to biased estimates for choice/market shares. A probabilistic choice model which accounts...

Recent advances in data gathering through checkout scanners have pro­duced vast amounts of data on the actual behavior of consumers in the mar­ketplace, creating new opportunities for managers and researchers to under­ stand competition and consumers' response to the marketing mix. Previous...

Household basket data contain important information about the structure of brand preferences both within and across product categories. This research exploits the information in long-run basket summary data to segment consumers with respect to brand preferences. The approach provides insights...

This study addresses a problem commonly encountered by marketers who attempt to assess the impact of their sales promotions—namely, the lack of data on competitive marketing activity. In most industries, competing firms may have competitive sales data from syndicated services or trade...