%0 Report %A Sparber, Chad %T Weighting the H-1B Lottery: Implications for Worker and Diversity and Employment Concentration %D 2025 %8 2025 Dec %I Institute of Labor Economics (IZA) %C Bonn %7 IZA Discussion Paper %N 18333 %U https://www.iza.org/index.php/publications/dp18333 %X The H-1B program allows firms in the United States to temporarily hire foreign workers in specialty occupations. Demand outstrips supply, and the government allocates status through a random lottery. In September 2025, The United States Department of Homeland Security (DHS) proposed a new lottery process that would weight applications favoring workers receiving higher wage offers. This short article demonstrates that a weighted lottery would increase the ethnic diversity of H-1B recipients. Implications for H-1B employment concentration are particularly sensitive to threshold cutoffs used to construct weights. %K lottery %K H-1B %K skilled workers %K ethnic diversity