In this paper, we develop a test to detect the presence of endogeneity in conditional quantiles. Our test is a Hausman-type test based on the distance between two estimators, of which one is consistent only under no endogeneity while the other is consistent regardless of the presence of...

Cet article décrit, en recourrant aux approches DEA et aux frontières de production stochastisques, la mise en place d'un outil de benchmaking interne dans le secteur des services. Il permet également de valider l'utilisation de temps standards d'opérations lorsque la fonction de production...

The hotel industry rhythms appear as a hindrance to staff loyalty and female careers development. However, two hotel networks of the Accor group, Etap Hotel and Formule 1 stand out from this general pattern with a presence of female managers (38% of managers). This case incites to wonder about...

Se miden las ganancias potenciales de eficiencia de cinco fusiones de bancos, producidas entre 2005 y 2011, analizándolas con la metodología de análisis envolvente de datos. Dadas las divergencias entre modelos de rendimientos constantes y variables, se testean rendimientos para discernir...

Bi-cooperative games were introduced by Bilbao et al. as a generalization of TU cooperative games, in which each player can participate positively, negatively, or not at all. In this paper, we propose a definition of a share of the worth obtained by some players after they decided on their...