We study the interplay of inequality and trust in a dynamic game, in which trust increases efficiency and thus allows higher growth of the experimental economy in the future. We find that trust is initially high in a treatment starting with equal endowments, but decreases over time. In a...

We conducted a controlled field experiment on eBay and examined to what extent both social and competitive laboratory behavior is robust to institutionally complex real world markets with experienced traders, who selected themselves into these markets. EBay's natural trading system provides...

Many Internet markets rely on feedback systems', essentially social networks of reputation, to facilitate trust and trustworthiness in anonymous transactions. Market competition creates incentives that arguably may enhance or curb the effectiveness of these systems. We investigate how different...

We report on a research program that employs the indirect evolutionary approach to analyze how the institutional environment drives the evolution of trust and trustworthiness through the evolution of moral preferences, and how in turn the evolution of preferences shapes the evolution of the...

Applying an evolutionary framework, we investigate how a reputation mechanism and abuyer insurance (as used on Internet market platforms such as eBay) interact to promote trustworthinessand trust. Our analysis suggests that the costs involved in giving reliable feedbackdetermine the gains from...

Trust that suppliers and buyers will keep their word is a necessary ingredient to a wellfunctioning marketplace. Nowhere is the issue trickier than for electronic markets, wheretransactions tend to be geographically diffuse and anonymous, putting them out of the reach ofthe legal safeguards and...

Online reputation -"feedback"- mechanism aim to mitigate the moral hazard problem associated with spatially distant exchange among strangers by providing traders with the type of information available in small groups, where members are frequently involved in another's dealings. We compare...

We report on a research program that employs the indirect evolutionary approach to analyze how the institutional environment drive the evolution of trust and trustworthiness through the evolution of moral preferences, and how in turn the evolution of preferences shapes the evolution of the...