In this article, we study a class of functions defined by a system of linear inequalities which arises naturally in at least four different economic issues: redistribution, spatial economics, theory of incentives and utility theory. The main tool used to study solutions of those inequalities...

ELECTRE TRI is a method designed to sort alternatives evaluated on several criteria into ordered categories. The original method uses limiting profiles. A recently introduced variant uses central profiles. We study the relations between these two variants. We do so by investigating if an ordered...

With hindsight, the subprime crisis highlighted the importance of high correlation regimes and systemic risks and contagion. It is mainly about them that this paper will focus on, in the context of the liquid index tranches but also for European Prime RMBS and SME securitizations.

A discrete time probabilistic model, for optimal equity allocation and portfolio selection, is formulated so as to apply to (at least) reinsurance. In the context of a company with several portfolios (or subsidiaries), representing both liabilities and assets, it is proved that the model has...

We point out that the two and half years of negotiation (1692-1694) between a group of investors and the English government, who led to the establishment of the Bank of England, aimed to guarantee the liquidity of a new public debt and not to establish a bank. We analyze the evolution of the...

The article raises the concealment of sharing in La Monnaie souveraine (1998) and in the works it inspired. The neoliberalism made hegemonic an approach by the circulation of money and more generally of all social facts. However, this catallactic vision that some critics of the orthodox economy...