 La théorie de la décision et la psychologie du sens communWorking Papers from HAL Abstract: Taking the philosophical standpoint, this article compares the mathematical theory of individual decision-making with the folk psychology conception of action, desire and belief. It narrows down its topic by carrying the comparison vis-à-vis Savage's system and its technical concept of subjective probability, which is referred to the basic model of betting as in Ramsey. The argument is organized around three philosophical theses: (i) decision theory is nothing but folk psychology stated in formal language (Lewis), (ii) the former substantially improves on the latter, but is unable to overcome its typical limitations, especially its failure to separate desire and belief empirically (Davidson), (iii) the former substantially improves on the latter, and through these innovations, overcomes some of the limitations. The aim of the article is to establish (iii) not only against the all too simple thesis (i), but also against the subtle thesis (ii). Keywords: decision theory; Savage; Ramsey; subjective probability; state-dependent utility; folk psychology; desire; belief; Lewis; Davidson; théorie de la décision; probabilité subjective; utilité dépendante des états; psychologie du sens commun; désir; croyance (search for similar items in EconPapers) Published in 2011 There are no downloads for this item, see the EconPapers FAQ for hints about obtaining it. Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:hal:wpaper:hal-00625445 Access Statistics for this paper More papers in Working Papers from HAL |
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