A bidder may increase his bid over the course of an auction when (1) he becomes more certain about his private valuation over time (as he has more time to consider using the item), and (2) there is a positive probability he is unable to return to the auction to submit a bid in a later period.

Feedback mechanisms that allow partners to rate each other after a transaction are considered crucial for the success of anonymous internet trading platforms. We document an asymmetry in the feedback behavior on eBay, propose an explanation based on the micro structure of the feedback mechanism...

eBay’s feedback mechanism is considered crucial to establishing and maintaining trust on the world’s largest trading platform. The effects of a user’s reputation on the probability of sale and on prices are at the center of a large number of studies. More recent theoretical...

In November 2001, a TV program showed that many large Dutch construction companies participated in price fixing. We analyze how one such company, Heijmans, reacted to the reputation crises after the TV program by introducing a code of conduct. We present the outcomes of a questionnaire survey...

Corporations discover that social responsibility pays off. However, sometimes doing what is ethical will prove costly to a company. The purpose of this article is to clarify this trade-off by developing an economic model that describes the choice between profits and principles. The model is used...