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Journal of Financial and Quantitative Analysis Vol. 61 No. 3 2026

Marijuana Legalization and Firms’ Cost of Equity

Scott Guernsey1; Matthew Serfling1; Cheng Yan2

1 University of Tennessee Haslam College of Business · 2 Huazhong University of Science and Technology School of Management

Abstract

After medical marijuana legalization (MML) by U.S. states, firms’ cost of equity (COE) decreases, especially for those with more growth opportunities, higher productivity, or a more skilled workforce. This policy change also reduces firm risk and leads to an increase in labor supply through increased labor force participation, employment, hours worked, and net migration. Further, home prices rise after MML, reflecting increased local housing demand due to a growing supply of workers. These findings align with theoretical models that link asset prices to labor markets and suggest that MML can lower firms’ COE by mitigating labor search frictions.

DOI
10.1017/s0022109025101750
Volume
61
Issue
3
Pages
1112-1147
Language
en
Sources
openalex crossref

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