<DIV>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...</div>

One of the great puzzles of Sub-Saharan African economic history is that wheeled transportation was barely used prior to the colonial period. Instead, head porterage was the main method of transportation. The consensus among historians is that this was a rational adaption to the underlying...