These classic studies of the history of economic change in 19th- and 20th-century United States, Canada, and British West Indies examine national product; capital stock and wealth; and fertility, health, and mortality. "A 'must have' in the library of the serious economic historian."—Samuel Bostaph, Southern Economic Journal Stanley L. Engerman is John H. Munro Professor of Economics and professor of history at the University of Rochester. Robert E. Gallman is Kenan Professor of Economics and History at the University of North Carolina, Chapel Hill.