Working Papers

The Other Great Migration: White Southern Migrants and Right-wing Politics in the U.S. (with Samuel Bazzi, Martin Fiszbein, Thomas Pearson, and Patrick Testa)
Discrimination, Migration, and Economic Outcomes: Evidence from World War I (with Price Fishback) [NBER working paper no. 26936 here. Cato policy brief here.], revise & resubmit at the Review of Economics and Statistics
Fatherless: The Long-Term Effects of Losing a Father in the U.S. Civil War (with Yannick Dupraz)
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.]
Churches as Social Insurance: Oil Risk and Religion in the U.S. South (with Patrick Testa) [Version June 2021. CAGE Warwick working paper no. 513 here.]
New Area- and Population-based Geographic Crosswalks for U.S. Counties and Congressional Districts, 1790-2020 (with Patrick Testa and Liyang Zhou) [The crosswalks, teaching material, and replication files can be downloaded here.]

Work in Progress

Migration and the Geography of Racism in the United States (with Samuel Bazzi, Martin Fiszbein, Thomas Pearson, and Patrick Testa)
Using Digitized Newspapers to Refine Historical Measures: The Case of the Boll Weevil (with Randall Walsh and Joung Yeob Ha)

World War II and Black Economic Progress, Journal of Labor Economics, accepted
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.]
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.]
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)