The authors thank Philip McDaniel, the UNC GIS librarian, for his assistance; Dan Hartley for sharing his data on Census tract centroids and adjacent tracts; the authors of Chen et al. (2023) for sharing their code; the authors’ discussants Tim Bartik, Thomas Davidoff, Anthony DeFusco, Roland Fuss, Aaron Hedlund, David Neumark, and C. Luke Watson for their comments; and Steve Malpezzi for helpful conversations. The paper has also benefited from the feedback of many seminar and conference audiences. The authors have been authorized to use YTS through the Business Dynamics Research Consortium (BDRC) by the University of Wisconsin’s Institute for Business and Entrepreneurship. The contents of this paper are solely the responsibility of the authors.