We test the hypothesis that large firms devote a higher proportion of their expenditure on research and development (R&D) on process innovation than smaller firms.

This paper questions the presumption that transferable quota licenses are worth more and result in higher welfare. We show that the price of a transferable license will tend to be higher than of its nontransferable counterpart only if the underlying quota is quite restrictive.

The authors examine a variant of the uncapacitated lot-sizing model of Wagner-Within involving sales instead of fixed demands, and lower bounds on stocks. Two extended formulations are presented, as well as a dynamic programming algorithm and a complete description of the convex hull of solutions.

In several interesting markets, demand is an increasing function of past sales because of learning, network externalities, or fashion. This paper examines entry into such markets.

The purpose of this paper is to propose an approach of the firms-territories relationships that should not be restricted to the sole point of view of the localisation's theory. Such an approach aims then to refer to a continous temporality that should not reduced to the sole moments of an...

We test the hypothesis that large firms devote a higher proportion of their expenditure on research and development (R&D) on process innovation than smaller firms.

La concentration industrielle n'a cessé d'augmenter ces vingt dernières années. Cette concentration est présente autant chez les producteurs que chez les distributeurs. Par conséquent, analyser le pouvoir de marché est devenu primordial. La mesure du pouvoir de marché nécessite l'analyse...

Статья посвящена вопросам совершенствования интегрированной информационной системы управления металлургическим предприятием на основе спрогнозированных...