Internet markets are heralded as enhancing efficiency by providing buyers and sellers with an abundance of information. In these electronic markets, firms have the opportunity to employ "pricebots," computerized algorithms that automatically adjust prices to prevailing market conditions. This...

"In this paper, we study auctions in which the revenue is fixed but the quantity is determined by the auction mechanism. Specifically, we investigate the theory and behavior of English quantity clock, Dutch quantity clock, last-quantity sealed bid, and penultimate-quantity sealed bid auctions....

Data from 692 subjects in 11 experimental treatments provide a systematic exploration of the existence and nature of reciprocal behavior in two-person games. The experimental design discriminates between motivations of reciprocity and (nonreciprocal) other-regarding preferences. The existence of...

Previous research on gender differences in behavior has led to seemingly contradictory findings about generosity. From data generated by 290 subject pairs, we find that women are more sensitive than men to the costs of generous actions when deciding whether to be generous. The factors that...

The electronic technologies of the Internet make it possible for sellers to track potential customers and discriminate between the informed and uninformed. In this article, we report an experiment that investigates the market impact of firms tracking customers and offering discriminatory prices...

Outbreaks of infectious diseases bring behavior and policy responses into sharp focus since societies face acute constraints and uncertainties. This paper compares two infectious disease outbreaks: the COVID-19 pandemic and the 1665 London plague outbreak described by Daniel Defoe in A Journal...