{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T18:43:26Z","timestamp":1758393806866},"reference-count":40,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2019,4,5]],"date-time":"2019-04-05T00:00:00Z","timestamp":1554422400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,11,25]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We present a formal analysis of Douglas Hofstadter\u2019s concept of superrationality. We start by defining superrationally justifiable actions, and study them in symmetric games. We then model the beliefs of the players, in a way that leads them to different choices than the usual assumption of rationality by restricting the range of conceivable choices. These beliefs are captured in the formal notion of type drawn from epistemic game theory. The theory of coalgebras is used to frame type spaces and to account for the existence of some of them. We find conditions that guarantee superrational outcomes.<\/jats:p>","DOI":"10.1093\/jigpal\/jzz007","type":"journal-article","created":{"date-parts":[[2019,2,28]],"date-time":"2019-02-28T20:30:17Z","timestamp":1551385817000},"page":"847-864","source":"Crossref","is-referenced-by-count":3,"title":["Superrational types"],"prefix":"10.1093","volume":"27","author":[{"given":"Fernando A","family":"Tohm\u00e9","sequence":"first","affiliation":[{"name":"Departamento de Econom\u00eda, Universidad Nacional del Sur (UNS), Bah\u00eda Blanca, Argentina and Instituto de Matem\u00e1tica de Bah\u00eda Blanca (INMABB), Universidad Nacional del Sur-CONICET, Bah\u00eda Blanca, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ignacio D","family":"Viglizzo","sequence":"additional","affiliation":[{"name":"Instituto de Matem\u00e1tica de Bah\u00eda Blanca (INMABB), Universidad Nacional del Sur-CONICET, Bah\u00eda Blanca, Argentina"},{"name":"Departamento de Matem\u00e1tica, Universidad Nacional del Sur (UNS), Bah\u00eda Blanca, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2019,4,5]]},"reference":[{"key":"2019121805072777700_ref1","first-page":"287","article-title":"Acceptable points in general cooperative n-person games","volume-title":"Contributions to the Theory of Games","author":"Aumann","year":"1959"},{"key":"2019121805072777700_ref2","doi-asserted-by":"crossref","first-page":"1161","DOI":"10.2307\/2171725","article-title":"Epistemic conditions for Nash equilibrium","volume":"63","author":"Aumann","year":"1995","journal-title":"Econometrica"},{"key":"2019121805072777700_ref3","doi-asserted-by":"crossref","first-page":"90","DOI":"10.1038\/scientificamerican0607-90","article-title":"The traveler\u2019s dilemma","volume":"296","author":"Basu","year":"2007","journal-title":"Scientific American"},{"key":"2019121805072777700_ref4","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0022-0531(87)90099-8","article-title":"Coalition-proof equilibria I. 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