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...

The discovery of new oil fields and the bid for ecological fuels make Brazil world energy leader. However, this achievement cannot only be maintained thanks to the country's wealth of natural resources but rather it requires a model based on efficient and sustainable energy policies. Brazil's...