KOUBI, A.; ROUX, S. - Département des Études Économiques d'Ensemble (D3E), … - 2006
instrumental variables. This result is consistent with the idea that wage inequality is one of the tools that are available to … stimulate workers productivity. However, in such a framework, pay inequality is an optimization variable controlled by the firm …, and should therefore appear as endogenous. This is not the case: tests show that variations in pay inequality are …