De tous les problèmes conçus par la théorie de la décision, le paradoxe d'Allais est peut-être celui qui aura suscité l'intérêt le plus persistant. La théorie y a consacré assez de travaux techniques remarquables pour qu'il soit désormais possible à l'histoire et à la philosophie...

Author's abstract. This article aims to examine the role of objects in the transformation of logics (Thornton & Ocasio, 2008) at the practice level. In particular, it explores how financial actors use, transform and are constrained by their ‘market devices' : - defined as a range of...

Author's abstract. We investigate the economic consequences of increasing financial report visibility, measured by the use of english as a reporting language for firms from non-English-speaking countries. We sample 113 firms that started publishing their annual report in English (in addition to...

Entrepreneurship studies have attributed to over-confidence decisions to start a new venture. Many decision situations, through which over-confidence is measured, entail some degrees of uncertainty, (e.g., related to own skill or to competition). The aspect of uncertainty is largely neglected in...

In this paper, we use the investment fraud of Bernard Madoff to inquire into the possibilities and limits of an “intelligent accountability” in the context of financial decision making. Drawing primarily upon data related to U.S. Individual investors (interviews and letters), we investigate...

Author's abstract. <p>L'article compare philosophiquement la théorie mathématique de la décision individuelle, d'une part, et la conception psychologique ordinaire de l'action, du désir et de la croyance, d'autre part.Il délimite plus strictement son objet en étudiant, sous cet angle...</p>

Judgment aggregation theory, or rather, as we conceive of it here, logical aggregation theory generalizes social choice theory by having the aggregation rule bear on judgments of all kinds instead of merely preference judgments. It derives from Kornhauser and Sager’s doctrinal paradox and...

Résumé d'auteur : <p>" On présente brièvement ici la contribution de Georges-Théodule Guilbaud (1912-2006) aux théories agrégatives contemporaines. Précurseur méconnu, il anticipe la conception algébrique de l'agrégation et la théorie plus récente de l'agrégation des jugements, qui...</p>

Author's abstract. This paper investigates the determinants of financial risk-taking and documents new facts on the financial wealth elasticity of the risky share in a panel of swedish twins. <p>We consider a uniquely comprehensive set of demographic and financial characteristics, and use yearly...</p>

Some characteristics of the regulated professions cast doubt on whether it is appropriate to apply competition rules to them. Unlike traditional activities, the professions contain a substantial personal aspect relating to the practitioner, who draws on years of training and experience in his...