This paper shows that Keynes's involuntary unemployment derived from Walras's voluntary unemployment by means of … supply function is a strongly increasing function, as in Walras's approach, there might be only voluntary unemployment, and … there might be involuntary unemployment if the equilibrium point locates between boundary points of the horizontal segment …

market regularities and (ii) macroeconomic dynamics (long-term rates of growth, GDP uctuations, unemployment rates …, inequality, etc..). The model is built upon the "Keynes meets Schumpeter" family of models (Dosi et al., 2010), explicitly …

Persistently high unemployment rates in Germany have led to a long-running controversy on the causes of the … unemployment problem. This paper aims to re­view the contribution of Keynesian and monetarist theories to this controversy and … explores empirically their implications for the explanation of high un­em­ploy­ment in Germany using a structural vector …