This paper investigates the sources of disturbances that caused the conjonctural breakdowns in the early 90's, in France, in the United States, in the United Kingdom and germany, through a V.E.C.M. on contributions to growth.

In the first place, we present a quasi fixed-point theorem for a correspondence defined on some infinite-dimensional locally convex topological vector space such that some variables have open lower sections and the other ones are upper semicontinuous. In the second place, we propose a direct...

The model developed in this paper extends the strategic location framework under Cournot competition in order to allow for different production costs across locations.

This paper investigates necessary conditions for an equilibrium to exist on a reinsurance market with short sale constraints. It establishes that, equilibrium, there exists an equivalent probability measure under which the reinsurance premium is the compensator of the jump process describing the...