Contrary to what has been argued by a number of critics, the AD-AS framework is both internally consistent and in conformity with Keynes s own analysis. Moreover, the eclectic approach to behavioral foundations allows models in this tradition to take into account aggregation problems as well as...

This paper examines the role of fiscal policy in the long run. We show that (i) dynamic inefficiency in a standard OLG model generates aggregate demand problems in a Keynesian setting, (ii) fiscal policy can be used to achieve full-employment growth, (iii) the required debt ratio is inversely...