emerges under the most extreme information restriction (anonymous community-wide enforcement) or whether trust and reciprocity … require additional, individual-specific information about a player’s past history of play and whether that information must be … provided freely or at some cost. In the absence of such reputational information, we find that a social norm of trust and …

rely on buyers sharing their private information about sellers with the community, and thus may suffer from too little … information even when costly. We find fairly high trust and trustworthiness levels in all markets, with buyers showing a … feedback, it did not improve overall trustworthiness as this information enabled sellers to discriminate and act in a …