Inequality

Borghetto, Enrico, Luca Manucci, and Derek A. Epp. 2025. Is the Populist Robin Hood at Fairy Tale? Parliamentary Attention to Social Welfare. Journal of European Public Policy, forthcoming.

Shepherd, Michael E., Christian Cox, and Derek A. Epp. 2025. Measuring Disparities to Emergency Medicine with 200 Million Voter Records. The Journal of Rural Health, forthcoming.

Cox, Christian, Derek A. Epp, and Michael E. Shepherd. 2024. Access to Healthcare and Voting: The Case of Hospital Closures in Rural America. American Political Science Review, forthcoming.

Epp, Derek A. and Enrico Borghetto. 2021. Legislative Agendas during Periods of Inequality: Evidence from Europe and the United States. Journal of European Public Policy 28 (4): 532-550.
[Online Appendix.] [LSE blog.]

Epp, Derek A. and Jay T. Jennings. 2020. Inequality, Media Frames, and Public Support for Welfare. Public Opinion Quarterly 84 (3): 629-653.

Epp, Derek. 2017. Policy Agendas and Economic Inequality in American Politics. Political Studies 66 (4): 922-939.

Policy agendas

Cox, Christian, Derek Epp, and Ian Shapiro. 2025. The Political Economy of Fiscal Responsibility. Public Choice.

Epp, Derek A. and Herschel F. Thomas. 2022. When bad news becomes routine: Slowly-moving problems moderate government responsiveness. Political Research Quarterly 76 (1): 3-13.

Quaglia, Laura, Derek A. Epp, and Katherine R. Madel. 2022. Does partisanship explain spending patterns in congressional bill proposals? Party Politics 28 (1): 38-47.
[Online Appendix.]

Jones, Bryan D., Derek A. Epp, and Frank R. Baumgartner. 2019. Democracy, Authoritarianism, and Policy Punctuations. International Review of Public Policy 1 (1): 7-26.

Baumgartner, Frank R., Marcello Carammia, Derek A. Epp, Ben Noble, Beatriz Rey, and Tevfik Murat Yildirim. 2017. Budgetary Change in Authoritarian and Democratic Regimes. Journal of European Public Policy 24 (6): 792-808.

Epp, Derek A. 2017. Public Policy and the Wisdom of Crowds. Cognitive Systems Research 43: 53-61.

Epp, Derek A. and Frank R. Baumgartner. 2016. Complexity, Capacity, and Budget Punctuations. Policy Studies Journal 45 (2): 247-264.

Epp, Derek A. 2015. Punctuated Equilibria in the Private Sector and the Stability of Market Systems. Policy Studies Journal 43 (4): 417-436.

Epp, Derek A., Frank R. Baumgartner, and John Lovett. 2014. Partisan Priorities and Public Budgeting. Political Research Quarterly 67 (4): 864-878.

Criminal justice

Verrilli, Allison, Marcel Roman, Hannah L. Walker, Derek A. Epp, Michael Finley, and Amy Liu. 2025. Policing at the Margins: Boundary Maintenance in the U.S. Municipalities. Perspectives on Politics, forthcoming.

Roman, Marcel, Klara Fredriksson, Chris Cassella, Derek A. Epp, and Hannah L. Walker. 2025. The George Floyd Effect: How Protests and Public Scrutiny Changed Police Behavior. Perspectives on Politics, forthcoming.

Dias, Megan, Derek A. Epp, Marcel Roman, and Hannah Walker. 2024. Consent Searches: Evaluating the Usefulness of a Common and Highly Discretionary Police Practice. Journal of Empirical Legal Studies 21 (1): 35-91.

Anoll, Allison, Derek A. Epp, and Mackenzie Israel-Trummel. 2022. Contact and Context: How Municipal Traffic Stops Shape Citizen Character. Journal of Politics 84 (4): 2272-2277.

Christiani, Leah, Kelsey Shoub, Frank R. Baumgartner, Derek A. Epp, and Kevin Roach. 2021. Better for Everyone: Black Descriptive Representation and Police Traffic Stops. Politics, Groups, and Identities 10 (5): 807-816.

Shoub, Kelsey, Leah Christiani, Frank R. Baumgartner, Derek A. Epp, and Kevin Roach. 2021. Fines, Fees, Forfeitures, and Disparities: A Link Between Municipal Reliance on Fines and Racial Disparities in Policing. Policy Studies Journal 49 (3): 835-859.

Epp, Derek A. and Macey Erhardt. 2021. The Use and Effectiveness of Investigative Police Stops. Politics, Groups, and Identities 9 (5): 1016-1029.

Roach, Kevin, Frank R. Baumgartner, Leah Christiani, Derek A. Epp, and Kelsey Shoub. At the Intersection: Race, Gender, and Discretion in Police Traffic Stop Outcomes. The Journal of Race, Ethnicity, and Politics .

Shoub, Kelsey, Derek A. Epp, Frank R. Baumgartner, Leah Christiani, and Kevin Roach. 2020. Race, Place, and Context: The Persistence of Race Effects in Traffic Stop Outcomes. Journal of Race and Ethnic Politics, forthcoming.

Baumgartner, Frank R., Leah Christiani, Derek A. Epp, Kevin Roach, and Kelsey Shoub. 2017. Racial Disparities in Traffic Stop Outcomes. Duke Forum for Law and Social Change 9: 21-53.

Baumgartner, Frank R., Derek A. Epp, Kelsey Shoub, and Bayard Love. 2016. Targeting Young Men of Color for Search and Arrest During Traffic Stops: Evidence from North Carolina, 2002-2013. Politics, Groups, and Identities 5 (1): 107-131.