As of August 2020, all of the department’s graduate programs, including Ph.D. and M.S., are designated as STEM programs ((CIP Code 45.0603: Econometrics and Quantitative Economics), making graduates eligible for up to 24-month STEM extension of F-1-eligible Optional Practical Training (OPT). See https://studyinthestates.dhs.gov/stem-opt-hub/stem-opt-extension-overview for details.