We analyze price and quality competition in a vertically differentiated duopoly in which consumers have a preference for variety. The variety-seeking preferences are a consequence of diminishing marginal utility for repeated consumption experiences of the same product. We find that...

Purchase shares of major national-brands in consumer packaged-goods industries vary substantially across stores, both between geographic markets and across stores within markets. This paper measures the extent to which the variation in national-brand purchase shares depends on four...

We examine the effect of a U.S. Supreme Court decision regarding abortion laws on Americans’ preferences for political candidates. The decision was leaked in advance of the official announcement, and we track the evolution of political preferences from before the leak to after the leak, and...

We examine the impact of government interventions on the spread of COVID-19 and consumer spending. We do this by first estimating models of COVID-19 spread, consumer spending and social distancing. Social distancing has a large effect on reducing COVID-19 spread, while mask mandates are most...

Big data and technological change have enabled loyalty programs to become more prevalent and complex. How these developments influence society has been overlooked, both in academic research and in practice. We argue why this issue is important and propose a framework to refocus loyalty programs...