experiments show an affinity for conditional cooperation, readily conditioning their behavior on both the state of the world, and …

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

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 …

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 …

identify individual punishment patterns and link them with individual cooperation patterns. Classifying N = 628 subjects along … these two dimensions documents that cooperation and punishment patterns are intuitively aligned for most individuals … are more crucial for achieving cooperation than conditional cooperators. Incorporating information on punishment types …