Contenidos:Preface / Howard S. Ellis -- Introduction / Gottfried Haberler - PART I OVER-ALL PICTURE OF THE BUSSINES CYCLE AND METHOD OF ANALYSIS - The analysis of economic change / Joseph Schumpeter -- The long waves in economic life / Nicolai Kondratieff -- Bussines cycles / Wesley Mitchell -- Econometric business cycle reserach / Jan Tinbergen - PART II SAVING, INVESTMENT AND NATIONAL INCOME - Some notes on stockholm theory of saving and investment / Bertil Ohlin -- The outcome of the saving-investment discussion / Friederich Lutz -- Saving and investment : definitions, assumptions, objetives / Abra Lerner -- The rate of interest and the optimun propensity to consume / Oscar Lange - PART III THE MULTIPLIER, ACCELERATION PRINCIPLE AND GOVERMENT SPENDING - Mr. Keynes' theory of the multiplier : a methodological criticism -- Period analysis and multiplier theory / Fritz Machlup -- Business acceleretion and the law of demand : a technical factor in economic cycles / John Clark -- Interaction between the multiplier analysis and the principle of acclelration / Paul Samuelson -- Deficit spending / John Williams -- . An appraisal of the workability of compensatory devices / John M. Clark -- PART IV. MONETARY THEORY OF THE BUSINESS CYCLES - A survey of modern monetary controversy / Dennis H, Robertson -- The trade cycle contents / Ralph G. Hawtrey -- Price expectation, monetary disturbances /Friderich A. Hayek - PART V. UNDERCONSUMPTION THEORY AND SECULAR STAGNATION THESIS - Economic progress and declining population growth / Alvin Hansen -- General Overproduction / Hans Neisser -- Monetary policy and investment / Howard Ellis -- PART VI. SPECLAL COMMODITY CYCLES - The cobweb theorem / Mordecai Ezekiel -- Bibliography of the literature on bussines cycle theory / Harold Somers - INDEX.