Doctrinally, "Keynesianism" would have to be regarded merely as a recent, one-way swing of the pendulum such as the world has often experienced before this time in the direction of distinct overvaluation of the possibilities and effects of monetary manipulations and alterations.
L. Albert Hahn
L. Albert Hahn was one of the most highly regarded economists and bankers in Germany before the war but he was unknown in the United States until the 1949 translation of The Economics of Illusion, his frontal attack on the Keynesian system.