Several online marketplaces, like eBay provide their users with reputation management mechanisms (evaluations, ratings,...). This article aims at investigating the impact of these reputation mechanisms on trust building and market efficiency, through a set of experiments based on the trust game...

The aim of this article is to convince that economic tools are useful and relevant to analyze antitrust policy. More precisely, we show that the economics of antitrust enforcement provides a helpful framework to address fundamental practical questions : How to efficiently enforce antitrust...