I assumed the position of Professor and Department Chair on August 1, 2015. Prior to my appointment at Iowa State University I was a faculty member in the Department of Economics at the University of Kansas from 1988 until 2015. In addition to my academic appointments, I held the position of Associate Vice Chancellor for Research & Graduate Studies from 2006 through 2012, and was interim Dean of Graduate Studies from August 2011 through January 2012. From August 2012 through August 2014 I served as program director for the National Science Foundation's Science of Science and Innovation Policy (SciSIP) Program. I am also a Research Associate of the National Bureau of Economic Research, Cambridge, Massachusetts.
U.S. economic history, the economics of science, technology and innovation, and labor economics.
Recent Working Papers
“Wealth Mobility in the United States: 1860-1870,” with Brandon S. Dupont, Social Science History 46 (2022): pp. 801-29. Open Access, available here https://doi.org/10.1017/ssh.2022.19
"The Economic History of North America, 1700-1870," Cambridge Economic History of the Modern World, vol. I, Steven Broadberry and Kyoji Fukao, eds. (Cambridge University Press, 2021)
"Colonial America," Handbook of Cliometrics, 2nd ed. Claude Diebolt and Michael Haupert, eds. (Springer Nature, Switzerland, 2019), pp. 785-810. Online publication, August 2018 https://doi.org/10.1007/978-3-642-40458-0_60-1 [WP https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1039&context=econ_workingpapers ]
“Antebellum Labor Markets,” Oxford Research Encyclopedia of American History, Oxford University Press, April 2018. [WP version: https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1040&context=econ_workingpapers ]
“The Economic Origins of the Postwar Southern Elite,” with Brandon Dupont, Explorations in Economic History 68, no. 1 (April 2018): 119-31 https://doi.org/10.1016/j.eeh.2017.09.002
“Show me the Money: Federal R&D Support for Academic Chemistry, 1990-2009”, with Donna K. Ginther, Research Policy 46, no. 8 (October 2017): 1454-64 https://doi.org/10.1016/j.respol.2017.06.008
“The Effectiveness of Social Science Research in Addressing Societal Problems: Broadening Participation in Computing,” with Donna K. Ginther, Science and Public Policy (2017) 44, no.2: 259-273 https://academic.oup.com/spp/article/44/2/259/2584493