Financial options typically incorporate times of exercise. Alternatively, they embody set-up costs or indivisibilities. Such features lead to planning problems with integer decision variables. Provided the sample space be finite, it is shown here that integrality constraints can often be...

The use of renewable resources is examined as a cooperative production game, the focus here being on fisheries. It is shown how pooling and exchange of individual endowments may open for substitutions that generate greater efficiency. We introduce a sharing rule that complies with the core...

Abstract. Considered here is direct exchange of production allowances or input factors. Motivated by practical modelling and compution, we sup- pose every owner or user of such items has a linear technology. The issue then is whether competitive market equilibrium can be reached merely via...