We study experimentally how the network structure and length of pre-play communication affect behavior and outcome in a multi-player coordination game with conflicting preferences. Network structure matters but the interaction between network and time effects is more subtle. Under each time...

Social fragmentation has been identified as a potential cause for the under-provision of public goods in developing nations, as well as in urban communities in developed countries such as the U.S. We study the effect of social fragmentation on public good provision using laboratory experiments....

It is difficult to identify acts that are purely altruistic, and do not have some level of egoism or self-interest involved. By considering situations where team members seemingly have nothing to gain by the way they distribute points to others with regard to peer evaluation, and where their...