Health Economics

4 articles

When a policy reaches only a few units: rolling difference-in-differences (lwdid)

Rolling difference-in-differences (lwdid) gives credible effects from one treated unit and a few controls, and with so few units the transformation choice drives the answer.

Jun 2026 · Methodology

Logistic regression beats LLM readouts on survey prediction

On a real survey prediction task, a plain logistic regression beat a language-model activation pipeline, AUC 0.769 vs 0.747; steering changed nothing useful.

Jun 2026 · Methodology

Prediction-powered inference corrects AI survey imputation

Treating AI-imputed survey responses as data understated prevalence threefold; a regression adjustment lets predictions sharpen estimates without harm.

Jun 2026 · Methodology

Well-Executed But Not Important: Reading the Record

When AI thins out the technical-flaws desk-rejection pretext, editors will have to learn to say 'well-executed but not important' on the record.

May 2026 · Methodology