As recently as two years ago there was a widespread consensus among economists that fiscal policy is not useful as a countercyclical instrument. Now governments in Washington and around the world are developing massive fiscal stimulus packages, supported by a wide range of economists in...

Three ways of averting "excess saving" have been emphasized in both theory and practice. The thrust of the Keynesian prescription was to increase the government deficit to provide demand for the resources that would not otherwise be used for either consumption or investment. In this way,...