Le crédit interentreprises est un des canaux de transmission du risque de défaillance des entreprises. Les impayés sur effets de commerce révèlent les interdépendances entre secteurs et leur potentiel de contagion, dès lors que les montants en jeu sont importants.

In this paper, we propose to solve the circular packing problem (CPP) whose objective is to pack n different circles C(i) of known radius r(i) , i = 1, …, n into the smallest containing circle C. The objective is to determine the radius r of C as well as the coordinates (x(i) , y(i)) of the...

One apparent reason for deferring a decision – abstaining from choosing, leaving the decision open to be taken by someone else, one’s later self, or nature – is for lack of sufficient confidence in the relevant beliefs. This paper develops an axiomatic theory of decision in situations...