Frontmatter -- Contents -- Preface -- 1. Introduction: Of Ruling Classes and Underclasses: Th e Laws of Social Mobility -- PART I. Social Mobility by Time and Place -- 2. Sweden: Mobility Achieved? -- 3. The United States: Land of Opportunity -- 4. Medieval England: Mobility in the Feudal Age --...

Why are some parts of the world so rich and others so poor? Why did the Industrial Revolution--and the unprecedented economic growth that came with it--occur in eighteenth-century England, and not at some other time, or in some other place? Why didn't industrialization make the whole world...