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Papers
Hope v. Deportation in Immigration Detention (working paper).
One Year of Immigration Enforcement Under the Second Trump Administration
(working paper) (with Graeme Blair) (coverage in USA Today, the Boston Globe, NBC, KQED, NPR, CNN, and the Economist).
The Asymmetric Effects of Migration Policy Change (working paper) (with Anna Closas, Adam Cox & Mary Hoopes).
Immigration Enforcement, Policing, and Race (working paper) (with Marcel Roman).
Regulating Wait-Driven Requests in Queues (with Daniel Freund and Wentao Weng), working paper accepted at ACM conference on Economics and Computation 2025.
Immigration and Customs Enforcement Individual-Level Administrative Data, Nature Scientific Data (forthcoming) (with Graeme Blair and Phil Neff).
Do Border Policies Deter Migrants?, California Law Review (forthcoming) (with Adam Cox and Mary Hoopes).
Risk Assessment as Policy in Immigration Detention Decisions, Journal of Law and Economics (2025).
When Jurisdiction Stripping Raises Factual Questions, Essay, Washington University Law Review (2024).
The Illusory End of Stop-and-Frisk in Chicago, Science Advances (2023) (with Dorothy Kronick) (covered by Science News and ABC News).
Executive Control of Agency Adjudication: Capacity, Selection, and Precedential Rulemaking, Journal of Law, Economics and Organization (2023) (with Daniel E. Ho, Mark Krass, and Anne M. McDonough).
The Unexamined Law of Deportation, Georgetown Law Journal (2022).
Reviewing Administrative Review, Yale Journal on Regulation (2021).
Sanctuary Policies Reduce Deportations Without Increasing Crime, Proceedings of the National Academy of Sciences (2020). Coverage in the Washington Post, the Hill, the Chicago Tribune, Philadelphia Magazine, the Volokh Conspiracy, and Cato @ Liberty.
Rights, Redistribution, and the Political Economy of Disability Discrimination Laws, Journal of Law and Social Inquiry (with David Freeman Engstrom) (2020).
The Failure of Immigration Appeals, University of Pennsylvania Law Review (2016). Appendix assessing the effect of remands on immigration judges is available here.
Measuring the Economic Effect of Alien Tort Statute Liability, Journal of Law, Economics and Organization (with Darin Christensen) (2016).
Shorter Pieces
U.S. Immigration Enforcement Data: A Short Guide, 16 California Law Review Online (2025).
Brevity, Speed, and Deference: An Account from the Williams Chambers, Yale Journal on Regulation (2021) (with Daniel E. Ho & Anne Joseph O'Connell).
When Congress Requires Nationwide Injunctions, Colorado Law Review (2020).
Nationwide Injunctions and Nationwide Harm, Harvard Law Review Forum (with Spencer Amdur) (2017). Cited in California v. United States, 941 F.3d 410, 421-22 (9th Cir. 2019), City of Chicago v. Barr, No. 18-2885, 957 F.3d 772 (7th Cir. 2020) and Trump v. Hawaii, 138 S. Ct. 2392, 2429 (2018) (Thomas, J., concurring).
Time, Due Process, and Representation: An Empirical and Legal Analysis of Continuances in Immigration Court, Fordham Law Review (with Jayashri Srikantiah) (2016).Cited in Hernandez Lara v. Barr, 962 F.3d 45 (1st Cir. 2020).
Access to Justice for Immigrant Families and Communities: A Study of Legal Representation of Detained Immigrants in Northern California, Stanford Journal on Civil Rights & Civil Liberties (with Jayashri Srikantiah & Lisa Weissman-Ward) (2015).
Government Noncompliance with Constitutional Court Orders in South Africa, in Brandon Bartels & Chris W. Bonneau, Making Law and Courts Research Relevant: The Normative Implications of Empirical Research. Routledge (2014).
Note, How Congress Could Reduce Job Discrimination by Promoting Anonymous Hiring, Stanford Law Review (2012).
Note, When and Why the South African Government Disobeys Constitutional Court Orders, Stanford Journal of International Law (2012).
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