Several recent macroeconomic models rely on rigid wages. Especially wage rigidity of newly hired workers seems to play a crucial role, since the decision of opening a vacancy or not is mainly influenced by their real wages. However, so far little empirical evidence exists on how real wages of...

We consider a theoretical model in which unions not only take the outside option into account, but also base their wage-setting decisions on an internal reference, called the fairness reference. Wage and employment outcomes and the shape of the aggregate wagesetting curve depend on the weight...