Role of trust
Role of reputation
A "invests in" B, B gives something back to A -- B is trusted party.
A gives to B, B returns a proportion, but profits 3 times the difference.
Experiments yield contradictory results
IBM experiments: multiple players
Use of reputation information does
More information -- even negative!!! -- causes greater investment! (branding effect?) ... may be rational result.
Ebay as research testbed on trust??
Investigate possible sting behaviours?