Professor Emeritus since 2013
Research Professor of Economics 2013-
Professor of Economics at Vanderbilt 1993-2013

Research Associate, National Bureau of Economic Research, Cambridge, Mass. since 1989

Some recent publications:

(with Bateman, Haines and Margo) “Did Railroads Induce or Follow Economic Growth? Urbanization and Population Growth in the American Midwest, 1850-1860” Social Science History, 34: 2 (Summer 2010), pp. 171-97.

(with Margo), “The Impact of Access to Rail Transportation on Agricultural Improvement:  The American Midwest as a Test Case, 1850-1860,” Journal of Transportation and Land Use, 4: 2 (2011).

“On the Use of Geographic Information Systems in Economic History: The American Transportation Revolution Revisited,” Journal of Economic History, 73: 2 (June 2013), pp. 313-338. Copyright by Economic History Association doi: 10.1017/S0022050713000284.

(with Margo and Rhode), “‘Automation’ of Manufacturing in the Late Nineteenth Century: The Hand and Machine Labor Study,” Journal of Economic Perspectives, 33:2 (Spring 20019), 51-70.

(with Margo and Rhode), ”Mechanization Takes Command?’ Powered Machinery and Production Times in Late Nineteenth-Century American Manufacturing,” Journal of Economic History, 82:3 (September 2022), 663-89. doi: 10.1017/ S0022050722000146.


For additional details, see Curriculum Vitae