The capacitated multi-item lot sizing problem consists of finding a production schedule that minimizes over a finite number of periods the total production, holding inventory, and setup costs subject to demand and capacity constraints. Approximate solutions can be obtained by heuristics. In this...

Cet article propose une alternative automatisie ` la gestion manuelle des dicoupes dans une papeterie industrielle. Nous utilisons le modhle classique de Gilmore et Gomory. Nous risolvons le problhme relaxi par ACCPM qui est une mithode de plans coupants. Les sous-problhmes et la giniration...

Le present texte propose un inventaire general des pratiques de recherche marketing en SUisse en termes de type, d'intensite et d'objectif. Sur la base d'une etude sur 120 responsables de marketing en Suisse romande et en Suisse alemanique dans divers secteurs industriels, les tendances...

This study investigates whether market research expenditure patterns of eight European countries including Germany, France and the UK do converge or not over the 1990-1994 period.

L'approche psycho-cognitive du capital-client est exposee apres avoir examine les differents courants de recherche sur la valeur de la marque.

Les economies d'echelle sont un determinant de la structure d'un secteur. Elles ont une influence sur le nombre d'entreprises presentes, sur le comportement de la concurrence et sur les relations de pouvoir qui prevalent. Elles ont une influence directe et indirecte sur la performance du secteur...

Knowledge management ca be seen as the pragmatic evolution of ideas in the field of organizational learning. Its main interest is the improvement of organizational capabilities on all levels of the organization through better use of the resource 'knowledge'.

This paper presents a new primal-dual algorithm for solving a class of monotropic programming problems. This class involves many problems arising in a number of important applications in telecommunications networks, transportation and water distribution. The proposed algorithm is inspired by...

This study investigates the short term inflation hedging characteristics of U.K. real estate compared to other U.K. investments.

In this paper, we discuss one of the reasons leading practitionners to the rejection of the Markowitz model and propose a new stastistical method to avoid this problem. To be more precise, we discuss the problem of statistical robustness of the Markowitz optimizer and show that the latter is not...