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...

Author's abstract. I exhibit a simple and realistic feature of technology and trade costs that influences the partition of manufacturing between the North and South depending on the degree of substitutability of internationally traded inputs in production. <p>In the presence of higher wages in the...</p>

Author's abstract. Motivated by many applications such as typical blockbuster product launches, we address in this paper, an inventory/production rollover process between an old and a new product, with a random availability/admissibility date for the new product. The optimization problem...

Author's abstract. This study examines whether auditors are employed as a monitoring mechanism to mitigate agency problems between controlling shareholders and minority shareholders (named Type II agency conflict). In a context of ownership concentration and poor investor protection, controlling...

Author's abstract: A theory of when to defer a decision is proposed, according to which a decision maker defers if and only if his confidence in the relevant beliefs does not match up to the stakes involved in the decision. It uses the model of confidence in beliefs and the notion of stakes...

Author's abstract. In a situation of decision under uncertainty, a decision maker wishes to choose according to the maxmin expected utility rule, and he can observe the preferences of a set of experts who all share his utility function and all use the maxmin EU rule. This paper considers rules...

The authors study a dynamical model of interconnected firms which allows for certain market imperfections and frictions, restricted here to be myopic price forecasts and slow adjustment of production. Whereas the standard rational equilibrium is still formally a stationary solution of the...

Transparency is one of the fundamental norms that structure our contemporary individual, organizational and social lives. Its influence can be felt at all levels, and it provides, in particular, the normative foundation for the current explosion of accounting, audit and other visibility-based...