Policy and litigation
I often advise policy makers, courts of law, and voters.
A handful of my key policy writings are below, and a comprehensive list is in my CV.
Selected policy writings
“Global Skill Partnerships: a proposal for technical training in a mobile world”, IZA Journal of Labor Policy, 4: 2.
“Shared Border, Shared Future: A Blueprint to Regulate US-Mexico Labor Mobility”, Washington, DC: Center for Global Development (with Ernesto Zedillo and Carlos Gutierrez). ‣En español
“Brain Freeze: How International Student Exclusion Will Shape the STEM Workforce and Economic Growth in the United States”, commissioned by the National Academies of Science, Engineering, and Medicine (with Jeremy Neufeld and Amy Nice).
Court briefs and expert testimony
2026. Lead Amicus for “Brief of Economists as Amici Curiae”, in Markwayne Mullin, Secretary, Department of Homeland Security, et al. v. Dahlia Doe, et al. and Donald Trump v. Fritz Emmanuel Lesly Miot, et al. (US Supreme Court, Case Nos. 25-1083 and 25-1084).
⟶Covered by CNN
2025. Lead Amicus for “Brief of Economists as Amici Curiae”, in Kristi Noem, Secretary of Homeland Security et al. vs. National TPS Alliance, et al. (US Supreme Court, Docket No. 25A326, Case No. 25-5724).
2025. Signatory to “Brief of Social Science Scholars as Amici Curiae”, in State of Washington et al. v. Donald J. Trump et al. (US Court of Appeals for the Ninth Circuit, 2:25-cv-00127-JCC).
2023–2024. Expert witness on behalf of the defendant in State of Arizona et al. v. Merrick Garland et al. (US District Court, Western District of Louisiana, 6:22-cv-01130).
2020. Declaration on behalf of the plaintiff in Human Rights First v. Chad F. Wolf et al. (US District Court DC, 1:20-cv-03764).