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Persistent link: https://www.econbiz.de/10005478343
Persistent link: https://www.econbiz.de/10005478344
Cet article etudie l'impact du pouvoir de marche des entreprises sur le taux de chomage d'equilibre. La premiere partie expose les fondements microeconomiques du pouvoir de marche des entreprises, dans une perspective a la fois empirique et theorique. La deuxieme partie montre que les modeles...
Persistent link: https://www.econbiz.de/10005478345
This paper aims to study whether a simple asymetric adjustment costs model with heterogeneity can account for French aggregate job flows.
Persistent link: https://www.econbiz.de/10005478346
In this paper we propose two algorithms for solving both unweighted and weighted constrained two-dimensional two-staged cutting stock problems. The problem is called two-staged cutting problem because each produced (sub) optimal cutting pattern is realized by using two cut-phases.
Persistent link: https://www.econbiz.de/10005478347
Persistent link: https://www.econbiz.de/10005478348
IN this paper, we consider a two-level optimization problem (S) (weak Stackelberg problem) in which the constraints of the upper level problem depend on the set of optimal solutions of the lower level problem, supposed not necessarily a singleton. Using penalty methods, we give an approximation...
Persistent link: https://www.econbiz.de/10005478349
The main objective of this paper is to analyze the links between product market competition, innovation and growth. We capture the idea that firms innovate in order to try to escape - albeit temporarily - from the pressure of competition exerted on them by their rivals. At each date, an industry...
Persistent link: https://www.econbiz.de/10005478350
Ce travail est constitue de deux parties. Dans un premier temp, nous etudions un modele ou les actifs sont des projets d'investissements decrits par leurs flux. Ceux-ci sont modelises par des processus stochastiques dont la dynamique est decrite par un arbre binomial. Les investissements ont la...
Persistent link: https://www.econbiz.de/10005478351
En considerant que l'une des caracteristiques des problemes environnementaux est le niveau d'incertitude qui les accompagne, nous proposons d'etudier les effets de ces incertitudes sur les comportements de choix de portefeuille et d'epargne des agents. Nous montrons alors qu'a l'equilibre...
Persistent link: https://www.econbiz.de/10005478352