Research Interests

Labor Economics, Family Policy, Migration
Public Economics, Political Economy, Health Economics
Policy Evaluation, Microeconometrics

Research Papers

Labor Market and Human Capital

“Evolution of Wage Inequality in East Germany" (with Eduard Brüll), November 2018.

“From Licensing to Certification: Evidence from Liberalizing the Crafts and Trades" (with Franziska Lembcke), February 2020.

“Spillover Effects of Mass Layoffs” (with Ines Helm and Uta Schönberg), Journal of the European Economic Association, 18, 1 (2020): 427-468.

How General is Human Capital? A Task-Based Approach (with Uta Schönberg), Journal of Labor Economics, 28, 1 (2010): 1-50 (lead article).


“Marginal Returns to Citizenship for Immigrant Children" (with Anna Busse and Christina Vonnahme), February 2020.

“The Labor Market Assimilation of Immigrants in Germany" (with Ole Monscheuer), January 2019.

“Citizenship and the Social Integration of Immigrants” (with Nicolas Keller und Ole Monscheuer), December 2017.

“Access to Citizenship and the Economic Assimilation of Immigrants” (with Nicolas Keller), Economic Journal, 128, 616 (2018): 3141-3181.

"Effects of Enforcement on Illegal Markets: Evidence from Migrant Smugglers Along the Southwestern Border, Journal of Public Economics, 92, 10-11 (2008): 1926-1941. Working paper version

Family Policy

“Free Childcare, Family Choices and Child Development” (with Anna Busse), September 2019, R&R at Journal of Economic Behavior and Organization, earlier version: IZA Working Paper No.11269, January 2018.

“Taxing Childcare: Effects on Childcare Choices, Family Labor Supply, and Children” (with Björn Saß), Journal of Labor Economics, 36, 3 (2018): 665–709.


Job Loss and Health Spillovers in the Family" (with Kristiina Huttunen, Laura Jenström, Lauri Sääsvuori and Robin Stitzing), February 2020.

Compulsory Schooling and Mortality in 20th Century Europe (with Hendrick Jürges and Steffen Reinhold), Social Science and Medicine, 127 (2015): 74-82.

The Gorbachev Anti-Alcohol Campaign and Russia's Mortality Crisis (with Grant Miller and Jay Bhattacharya), American Economic Journal: Applied Economics, 5, 2 (2013): 232-60. Working paper version

Political Economy

“Proportional Representation, Political Responsiveness and Child Mortality,” February 2020, Appendix (additional results)

“The Role of Electoral Incentives for Policy Innovations: Evidence from the U.S. Welfare Reform” (mit Andreas Bernecker und Pierre Boyer), conditionally accepted at American Economic Journal: Economic Policy; earlier version: CEPR Working Paper No. 13763.

Gender Gaps in Policy Making: Evidence from Direct Democracy in Switzerland (with Patricia Funk), Economic Policy, 30, 81 (2015): 141-181.

Voter Preferences, Direct Democracy and Government Spending (with Patricia Funk), European Journal of Political Economy, 32 (2013): 300-319.

How do Electoral Systems Affect Fiscal Policy? Evidence from Cantonal Parliaments, 1890 to 2000 (with Patricia Funk), Journal of the European Economic Association, 11, 5 (2013): 1178-1203. Working paper version

Does Direct Democracy Reduce the Size of Government? New Evidence from Historical Data, 1890-2000 (with Patricia Funk), Economic Journal, 121 (2011), 557:1252-1280. Working paper version

Overseas Trade and the Decline of Privateering (with Henning Hillmann), Journal of Economic History, 71, 3 (September 2011): 730-761. Working paper version


Setting Up an Online Panel Representative of the General Population: The German Internet Panel (with Annelies Blom and Ulrich Krieger), Field Methods, 27 (4) (2015): 391-408.

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Latest Revision: 2020-03-31
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