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Post-Darwinian Societies seminar: Grégory Ponthière, “Epictetusian Rationality and Evolutionary Stability”

March 8@16:30-17:30 CET

Speaker: Grégory Ponthière

An economic interpretation of Epictetus’s precept of ‘Taking away aversion from all things not in our power’ consists of extending the domain of indifference beyond its boundaries under non-ethical preferences, so as to yield indifference between outcomes differing only on things outside one’s control. This paper examines the evolutionary dynamics of a population composed of Nash agents and Epictetusian agents matched randomly and interacting in the prisoner’s dilemma game. It is shown that, whether or not the type of players is common knowledge, neither the Nash type nor the Epictetusian type is an evolutionary stable strategy. However, if the matching process exhibits a sufficiently high degree of assortativity, the Epictetusian type is an evolutionary stable strategy, and drives the Nash type to extinction.


Registration is free, but required for participation via Microsoft Teams: please e-mail dina.geron@uclouvain.be.


March 8
16:30-17:30 CET


Online (Microsoft Teams)


Charles Pence
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