Where Institutions Fail, Stress Becomes Repression: replication code and data

Replication archive for the Perspective submitted to Nature Human Behaviour. Contains: processed 93-country panel (2000-2022) derived from V-Dem v16 and World Bank WDI; full Python pipeline for data construction, V-Dem E-variable synthesis, panel estimation, and figure generation; manuscript draft v0.4 and abstract; 3 NHB-quality figures. Primary result: alpha=0.63, beta=1.67, eta=0.73; R^2=0.77; N=2,136 country-years.