Reputation systems that rely on feedback from traders are important institutions for helping sustain trust in markets, while feedback information is usually considered a public good. We apply both theoretical models and experiments to study how raters' feedback behavior responds to different...

This paper analyzes the trade of an indivisible good within a two-stage mechanism, where a seller first negotiates with one potential buyer about the price of the good. If the negotiation fails to produce a sale, a second–price sealed–bid auction with an additional buyer is...

We study contracting between a consumer and an expert. The expert can invest in diagnosis to obtain a noisy signal about whether a low–cost service is sufficient or whether a high–cost treatment is required to solve the consumer’s problem. This involves moral hazard because...

The Goodwill Model of the Competitive Market Allowing for Trust and Creating Jobs Consumers often cannot judge the quality of goods and services at the time of the purchase decision. The goodwill model explains how the market participants deal with this problem. It makes a distinction between...