A Broomean model of rationality and reasoning

Franz Dietrich, Antonios Staras () and Robert Sugden
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Antonios Staras: University of East Anglia

Documents de travail du Centre d'Economie de la Sorbonne from Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne

Abstract: John Broome has developed an account of rationality and reasoning which gives philosophical foundations for choice theory and the psychology of rational agents. We formalize his account into a model that differs from ordinary choice-theoretic models through focusing on psychology and the reasoning process. Within that model, we ask Broome's central question of whether reasoning can make us more rational: whether it allows us to acquire transitive preferences, consistent beliefs, non-akratic intentions, and so on. We identify three structural types of rationality requirements: consistency requirements, completeness requirements, and closedness requirements. Many standard rationality requirements fall under this typology. Based on three theorems,we argue that reasoning is successful in achieving closedness requirements, but not in achieving consistency or completeness requirements. We assess how far our negative results reveal gaps in Broome's theory, or deficiencies in choice theory and behavioural economics

Keywords: rationality; reasoning; intention; beliefs; preferences; consistency; completeness; deductive closure (search for similar items in EconPapers)
JEL-codes: D01 D80 (search for similar items in EconPapers)
Pages: 22 pages
Date: 2018-09
New Economics Papers: this item is included in nep-hpe and nep-upt
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ftp://mse.univ-paris1.fr/pub/mse/CES2018/18030.pdf (application/pdf)

Related works:
Working Paper: A Broomean model of rationality and reasoning (2019)
Working Paper: A Broomean model of rationality and reasoning (2019)
Working Paper: A Broomean model of rationality and reasoning (2019)
Working Paper: A Broomean model of rationality and reasoning (2018)
Working Paper: A Broomean model of rationality and reasoning (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:mse:cesdoc:18030

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