We introduce opportunities for pre-play communication and to enter binding or non-binding contracts in trust games, and find (a) communication increases trusting and trustworthiness, (b) contracts are unnecessary for trusting and trustworthy behaviors and are eschewed by many players, (c) more...

The burgeoning literature on the use of sanctions to support public goods provision has largely neglected the use of formal or centralized sanctions. We let subjects playing a linear public goods game vote on the parameters of a formal sanction scheme capable both of resolving and of...

The burgeoning literature on the use of sanctions to support public goods provision has largely neglected the use of formal or centralized sanctions. We let subjects playing a linear public goods game vote on the parameters of a formal sanction scheme capable both of resolving and of...

In this working paper we report on two trust games: a BDM-like game which is interpreted through its use of the possibly suggestive words "show up fee," "sends," "tripled," "send back"; and an uninterpreted spatial game that does not use these words suggestive or not. In the spatial game we...

Reputation is a commonly cited check on opportunism in economic and social interactions. But it is often unclear what would motivate an agent to report another’s behavior when the pool of potential partners is large and it is easy enough for an aggrieved player to move on. We argue that...

Previous research has shown that opportunities for two-sided partner choice in finitely repeated social dilemma games can promote cooperation through a combination of sorting and opportunistic signaling, with late period defections by selfish players causing an end-game decline. How such...