market platforms such as eBay) interact to promote trustworthinessand trust. Our analysis suggests that the costs involved in … crowds out trust and trustworthiness. …

Trust that suppliers and buyers will keep their word is a necessary ingredient to a wellfunctioning marketplace …, putting them out of the reach ofthe legal safeguards and the long-term relationships that build trust in the brick …

We experimentally examine how group identity affects trust behaviorin an investment game. In one treatment, group …) to minimal group identityto two-dimensional group identity, we find no significant differencesin trust decisions. However …, trust is significantly and positively correlatedwith contribution decisions, suggesting that "social" trust isbehaviorally …