Snap
3 articles
When the parallel-trends test fails on one lead, what's left?
An article-reported TWFE-DiD exercise on SNAP BBCE adoption; the panel, estimates, and diagnostics are not publicly reproduced.
The Food Desert Myth: Evidence Beyond Proximity
Published food-access comparison under reconciliation after mismatched store, tract, SNAP, and routing records were identified.
The Retail Density Paradox: Why More Stores Mean Worse Data
A proposed EBT verification method whose exact seven-county counts, thresholds, and correlation are under reconciliation and not publicly reproduced.