' welfare as a function of the parameter representing market power. We surprisingly find that, when the total labor force is … greater than a certain level, the welfare function is an inverted-N shape in the decentralized economy and monotonically …

Some European regulators have decided to force competition in their nationalmarkets. They have decided to go beyond the … second directive and apply asymmetric regulation. Gas release programs and market shares constraints are the two asymmetric … welfare, consumer surplus and on the level of released quantities set by regulators. The aim of a gas release program is to …

between competition as an ideal and the feasibility of competition in the railroad sector; this distinction is implicit in … Dupuit's work, but it helps us to grasp that, in his opinion, unlimited competition is not possible in the railroads and that … it is not necessarily beneficial to the welfare of society. The State should therefore regulate the railroad sector …

, all cotton sector stakeholders do recognize that there is a big issue of excessive competition from a great number of … nevertheless will remain a short term one if no regulation is provided to prevent the market development from excessive and unfair … competition. The case analysed is a good illustration of the shortfalls of unregulated competition. It is however ineffective to …

the complementarity between the three components of longevity on welfare and economic stability. At the steady state, we … show that an appropriate fiscal policy may enhance welfare. However, when pollution is heavily harmful for longevity, the … design of the public policy that may comply with the dynamic and welfare objectives. …

consider a modal competition between public transport and an alternative mode. Commuters may choose different strategies to …

This paper examines the effects of tourism on labor employment, capital accumulation and resident welfare for a small … capital intensive, the fall in capital would not be so severe and the expansion of tourism improves welfare. However, when the … traded sector is strongly capital intensive, the fall in capital can be a dominant factor to lower welfare. This immiserizing …

We replace monopolistic competition with national oligopolies in a model of "new economic geography". There are many … possible bifurcation diagrams but, unlike in monopolistic competition, the symmetric equilibrium is always stable for low trade … toughening of the antitrust policy is likely to result in more agglomeration and may reduce world welfare. The antitrust policy …