We show in a simple model of entry with sunk cost, that a regulator prefers limiting the output, orcapacity, of the incumbent firm rather than imposing a “Minimum Quality Standard” in order tohelp the entrant to provide high quality. As a by-product, our analysis makes a contribution to...

Real options present a wide topic in investment litterature nowadays. However, despite bigadvances in the single asset investment pricing, the theory is miser of informations aboutproblems involving more than one asset. We show in this paper that using dynamic programming,one can find an...

Problems dealing with the design and the operations of gas transmission networks arechallenging. The difficulty mainly arises from the simultaneous modeling of gastransmission laws and of the investment costs. The combination of the two yields a nonlinearnon-convex optimization problem. To...

Armchair evidence shows that many industries are made of a few big commercial ormanufacturing firms, which are able to affect the market outcome, and of a myriad of smallfamily-run businesses with very few employees, each of which has a negligible impact on themarket. Examples can be found in...

This paper investigates the impacts of progressive trade openness, technological externalities,and heterogeneity of individuals on the formation of entrepreneurship in a two-countryoccupation choice model. We show that trade opening gives rise to a non-monotonic processof international...

Firms protected by antidumping measures do not unequivocally benefit from them. Antidumpingprotection benefits non-exporters active on the protected market by raising their domestic sales, buthurts exporters of similar products as the protected ones. Export sales of protected firms fall byalmost...

We investigate the impact of changes in international trade and domestic transport costs on the internalgeography of a domestic economy linked to the rest of the World through a hub. We address that issue bydeveloping two three regions model, namely a version of the Footlose Entrepreneur and a...

We study a two-stage R&D project with an abandonment option. Two types of uncertaintyinfluence the decision to start R&D. Demand uncertainty is modelled as a lottery between aproportional increase and decrease in demand. Technical uncertainty is modelled as a lotterybetween a decrease and...

The weighted value was introduced by Shapley in 1953 as an asymmetric version of his value. Since thenseveral axiomatizations have been proposed including one by Shapley in 1981 specifically addressed tocost allocation, a context in which weights appear naturally. It was at the occasion of a...

The imposition of universal coverage and uniform pricing constraints, as part of the universalservice obligations, makes the universal service provider less aggressive in the price game when itcompetes with a firm that does not cover the whole set of markets (Valletti et al., 2002). In...