Discussion Papers

On this page, you’ll find discussion papers from the Rockwool Foundation Berlin (RFBerlin) and Centre for Research and Analysis of Migration (CReAM), as well as early-access chapters from the upcoming Handbook of Labor Economics.

No. 87/26 - March 2026

The H-1B Wage Gap, Visa Fees, and Employer Demand

George Borjas

No. 82/26 - March 2026

Human Capital, Amenities, and Distortions: The Immigrant Earnings Gap across Space

Gabriele Lucchetti

No. 76/26 - March 2026

Refugee Return

Joop Adema, Panu Poutvaara, Cevat Giray Aksoy, Yvonne Giesing

No. 72/26 - March 2026

Immigrant-Native Wage Gaps and Immigration Tariffs: Examining the Case for an H-1B Visa Tax

Michael A. Clemens

No. 68/26 - March 2026

Improving Social Inclusion of Female Migrants: A Randomised Controlled Intervention in Spain

Warn N. Lekfuangfu, Antonio Cabrales, Sergio Blanco

No. 48/26 - February 2026

Host Country Language and School Integration of Immigrant Students

Yu Qin, Michael Vlassopoulos, Jackline Wahba

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