Contenidos:THE NATURE OF THE ECONOMY - The Social Contract / Jean Jacques Rousseau -- Representative Government / John Stuart Mill -- The "Just" Price. Thomas Aquinas (Tomás de Aquino) -- Utility / Jeremy Bentham -- Scarcity / James Maitland / Earl of Lauderdale -- Laissez Faire / Adam Smith -- The Profit Motive / Beardsley Ruml -- Industrialism. George Douglas Howard Cole -- Communism / Karl Marx and Friederich Engels -- A Utopia / Robert Owen -- Free Private Enterprise / Sumner H. Slichter -- NATIONAL INCOME AND WEALTH - Wealth / Nassau William Senior -- Prosperity and Depression / Daniel Defoe -- Underconsumption. John A. Hobson -- Underinvestment / Gustav Cassel -- The Principle of Acceleration / John Maurice Clark -- The Business Cycle / Alvin H. Hansen -- Inflation / Roy F. Harrod -- NATIONAL INCOME AND WEALTH (continued) - A Social Philosophy / John Maynard (Lord) Keynes -- Taxation / Adam Smith -- Tax Opinion / Roy Blough -- ECONOMIC PROBLEMS - The Leisure Class / Thorstein Veblen -- Unearned Increment / John Stuart Mill -- The Single Tax / Henry George -- The Laboristic Economy / Sumner H. Slichter -- Social Security / Edwin E. Witte -- Conservation / Hugh Hammond Bennett -- Too Many Farmers / Theodore W. Schultz -- Population / Thomas Robert Malthus -- Progress and Population / Kenneth E. Boulding -- Harold G. Moulton -- Economic Causes of War / Arthur Cecil Pigou -- The Planned Economy: Pro / Barbara F. Wootton -- The Planned Economy: Con / Friedrich A. von Hayek