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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260610T134308Z DTSTART;VALUE=DATE-TIME:20260521T143000 DTEND;VALUE=DATE-TIME:20260521T154500 SUMMARY:EBER Seminar - Andis Sofianos (Durham) TZID:Europe/London UID:20260521-8ac672c49d1fb7fb019d24b7d1611164@warwick.ac.uk CREATED:20260514T151237Z DESCRIPTION:Title: Rationality and Cooperation Abstract: How does rationa lity shape cooperation in strategic settings? We study this question in a laboratory experiment that links individual rationality\, measured by consistency with the generalized axiom of revealed preference\, to behav iour in an indefinitely repeated Prisoner’s Dilemma. Participants are gr ouped by pre-measured rationality before interacting repeatedly. We find that higher rationality substantially increases cooperation and payoffs . This effect operates through a novel mechanism: more rational individu als make fewer implementation errors when executing their intended strat egies\, thereby sustaining cooperative outcomes. By contrast\, higher co gnitive ability also promotes cooperation and higher payoffs\, but throu gh a distinct channel—reducing strategic errors in responding optimally to others’ actions. Our results provide the first experimental evidence linking rationality to cooperation via decision-making errors\, and clar ify the distinct roles of rationality and intelligence in shaping strate gic behaviour. Together\, the findings offer a unified account of how co gnitive constraints affect cooperation in repeated games. Authors: Ali M oghaddasi Kelishomi\, Daniel Sgroi\, and Andis Sofianos LOCATION:WBS2.007 CATEGORIES:Seminars,EBERG LAST-MODIFIED:20260514T151237Z ORGANIZER;CN=Gill Gudger: END:VEVENT END:VCALENDAR