The aim of this paper is to study the relationship between advertising and sales of French manufacturing firms. First, we use a simple theoretical model compatible with past econometric studies of sales and advertising, and extend it to dynamics. We show that the models that do not account for...

This paper develops a two-sector overlapping generations model in which one sector produces an externality on the environmental quality and the other has no effect. We assume that environmental quality degradation results from production activity of one sector. Then, we characterize the...

Avec une fonction de production a facteurs complementaires, une entreprise a l'equilibre stationnaire peut adopter une nouvelle technologie de production s'il est profitable de supporter des couts d'ajustement. On montre qu'a court terme les couts d'ajustement peuvent conduire l'entreprise a...