Working Papers

  1. Using Digitized Newspapers to Refine Historical Measures: The Case of the Boll Weevil (with Joung Yeob Ha and Randall Walsh)
    – NBER working paper no. 29808
    here. VoxEU article here
  2. The Other Great Migration: Southern Whites and the New Right (with Samuel Bazzi, Martin Fiszbein, Thomas Pearson, and Patrick Testa)
    – NBER working paper no. 29506 here. VoxEU interview with Sam Bazzi here
  3. Fatherless: The Long-Term Effects of Losing a Father in the U.S. Civil War (with Yannick Dupraz)
    – revise & resubmit at the Journal of Human Resources
  4. New Area- and Population-based Geographic Crosswalks for U.S. Counties and Congressional Districts, 1790-2020 (with Patrick Testa and Liyang Zhou)
    – Crosswalks, teaching material, and replication files can be downloaded here
  5. Churches as Social Insurance: Oil Risk and Religion in the U.S. South (with Patrick Testa)
    – CAGE Warwick working paper no. 513 here
    – revise & resubmit at the Journal of Economic History
  6. Wars, Taxation and Representation: Evidence from Five Centuries of German History (with Sascha O. Becker, Eric Melander, and Luigi Pascali)
    – CEPR working paper no. 15601 here

Work in Progress

  1. Migration and the Geography of Racism in the United States (with Samuel Bazzi, Martin Fiszbein, Thomas Pearson, and Patrick Testa)
  2. Wars and the Labor Market Outcomes of Minorities in the U.S., chapter in preparation for the Routledge Handbook on the Economic History of War


  1. Discrimination, Migration, and Economic Outcomes: Evidence from World War I, accepted at the Review of Economics and Statistics (with Price Fishback) [Cato policy brief here]
  2. Sundown Towns and Racial Exclusion: The Southern White Diaspora and the “Great Retreat”, AEA Papers and Proceedings, forthcoming (with Samuel Bazzi, Martin Fiszbein, Thomas Pearson, and Patrick Testa)
  3. World War II and Black Economic Progress, Journal of Labor Economics, forthcoming
  4. Causal mediation analysis in instrumental-variables regressions, 2020, Stata Journal, Vol. 20(3), pp. 613-626 (with Christian Dippel and Stephan Heblich) [For data and code type “findit ivmediate” in Stata.]
  5. Consequences of Forced Migration: A Survey of Recent Findings, 2019, Labour Economics, Vol. 59, pp. 1-16 (with Sascha O. Becker) [Supplementary material available here.]
  6. Voluntary Programs to Encourage Diffusion: The Case of the Combined Heat-and-Power Partnership, 2014, The Energy Journal, Vol. 35(1), pp. 161-173 (with Ian Lange)