This paper discusses the reemergence of Keynesian economics during the past decade. It highlights the substantial differences between new Keynesian economics and the convictions of early Keynesians. In particular, it points out that new Keynesians have adopted many views that were once...

This essay offers a brief history of macroeconomics, together with an evaluation of what has been learned over the past several decades. It is based on the premise that the field has evolved through the efforts of two types of macroeconomist-- those who understand the field as a type of...

This paper examines the optimal response of monetary and fiscal policy to a decline in aggregate demand. The theoretical framework is a two-period general equilibrium model in which prices are sticky in the short run and flexible in the long run. Policy is evaluated by how well it raises the...