Book ReviewsIn Pursuit of Leviathan: Technology, Institutions, Productivity, and Profits in American Whaling, 1816–1906. By Lance E. Davis, Robert E. Gallman, and Karin Gleiter. NBER Series on Long‐Term Factors in Economic Development. Chicago: University of Chicago Press, 1997. Pp. 5501xii. $80.00. - Margo, Robert A. (Journal of Political Economy, 1998)