In this paper we experimentally investigate whether partial coercion can in combination with conditional cooperation … finding is that in our setting conditional cooperation is not a strong enough force to increase contribution levels. Although … cooperation and puts some doubt on the idea that it is crucial in overcoming social dilemma problems …

We study the stability of voluntary cooperation in response to varying rates at which a group grows. Using a laboratory … cooperation. We then study the effect on cooperation of exogenously varying rates of entry. Slow growth yields higher cooperation … endogenous growth generally also produces high cooperation levels, growth stalls at intermediate group sizes, leaving potential …

assumption that the salience of the advantages of mutual cooperation plays a decisive role. This hypothesis is successfully …

-1367), who study cooperation and punishment in sixteen subject pools from six different world cultures (as classified by … cultural background relative to individual heterogeneity and group-level differences in cooperation. We find that culture has a … substantial influence on the extent of cooperation, in addition to individual heterogeneity and group-level differences identified …

We study how punishment influences conditional cooperation. We ask two questions: 1) how does conditional cooperation … change if a subject can be punished and 2) how does conditional cooperation change if a subject has the power to punish … cooperation. We find that the possibility of being punished increases the strength of conditional cooperation. At the same time …

of universal cooperation because the more prosocial subjects populate the two efficient institutions first, elect … prosocial judges (if institutionally possible), and immediately establish a social norm of high cooperation. This norm appears … to guide subjects' cooperation and punishment choices, including the virtually complete removal of antisocial punishment …