Recently, we have experienced an emergence of comparative "Internet Shopping Agents" (ISAs) that allow consumers to costlessly search across many online retailers and buy at the lowest price. An ISA can be thought of as an institution that creates all or nothing type of competition in the...

Research examining the process of individual decision making over time is briefly reviewed. We focus on two major areas of work in choice dynamics: research that has examined how current choices are influenced by the history of previous choices, and newer work examining how choices may be made...

With increasing numbers of consumers in auction marketplaces, we highlight some recent approaches that bring additional economic, social, and psychological factors to bear on existing economic theory to better understand and explain consumer behavior in auctions. We also highlight specific...