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Via Freedom to Coercion: The Emergence of Costly Punishment
(American Association for the Advancement of Science, 2007)
In human societies, cooperative behavior in joint enterprises is often enforced through institutions that impose sanctions on defectors. Many experiments on so-called public goods games have shown that in the absence of ...
Synergy and Discounting of Cooperation in Social Dilemmas
(Elsevier, 2006)
The emergence and maintenance of cooperation by natural selection is an enduring conundrum in evolutionary biology, which has been studied using a variety of game theoretical models inspired by different biological situations. ...
Exploration Dynamics in Evolutionary Games
(National Academy of Sciences, 2009)
Evolutionary game theory describes systems where individual success is based on the interaction with others. We consider a system in which players unconditionally imitate more successful strategies but sometimes also explore ...