Long-term economic growth and the problem of recovery in the United States, 1929-39 - The transformationof American industry in the interwar period - A reassessment of investment failure in the interwar economy - Technical change during the interwar years - The effective demand problem of the interwar period. I: Cyclical and structural unemployment - The effective demand problemof the interwar period. II: Cyclical and secular changesin final demand - New Deal economic policy and the problemof recovery - Contemporary economic problems in historical perspective. -