Econometrics has strongly evolved in recent years on both the methodological level as well as in terms of applications …. This article presents the different econometric methods (time series econometrics, information panels, models of duration …,...) and their applications for the enterprise: demand analysis and forecasting of sales, financial econometrics, marketing and …

The intention of this article is to take advantage of recent discoveries in econometrics (ARCH processes) to …

sometimes aroused and if reflections on the problem of evaluation progressed during the last quarter of the nineteenth century …