SEAT v1.2 — Student Monthly Survival Hours (USA, 1990–2025)

Monthly time series of “hours a typical student must work to cover a fixed essentials basket,” constructed with the Work-to-Essentials Index (WTEI/SEAT) method. Variables- year (int): calendar year- month (1–12, int): month- msh_hours (float): Monthly Survival Hours (MSH)- notes (string, optional): flags/revisions Coverage: USA, 1990–2025.Primary sources: BLS CPI components (basket cost) and CPS/OEWS wages (cohorts).Use cases: affordability tracking, time-series analysis, policy simulations (TIMW/EHTC). Documentation & calculators: Student Affordability Toolkit (see Related identifiers).