Over the last two decades, methodological developments on the parametric measurement of firms? productive performance have referred to two analytical approaches: the average production function and the production frontier. Each of these methods has its own benefits and limitations, either for...

Over the last two decades, methodological developments on the parametric measure of the firm productive performance have referred to two analytical bodies : the average production function and the production frontier. Each of these methods has its own benefits and limitations, either for the...

Cooperation within the textile and clothing sector in Sfax (Tunisia) is the object of this paper. The spatial concentration of firms within a Marshallian ?industrial district? enhances external economies and makes cooperation easier. This study sheds some light on the variables that are...