2 papers
stat.ME2026
Robustifying and Selecting Cohort-Appropriate Prognostic Models under Distributional Shifts
Dimitris Bertsimas, Carol Gao, Angelos G. Koulouras +1
External validation is widely regarded as the gold standard for prognostic model evaluation. In this study, we challenge the assumption that successful external calibration guarant…
econ.EM2025
Instrumental Variables with Time-Varying Exposure: Dynamic Effects of Revascularization on Quality of Life
Joshua D. Angrist, Bruno Ferman, Carol Gao +3
This paper develops instrumental variables (IV) estimators for dynamic causal effects in randomized trials with imperfect compliance. These methods are applied to a randomized tria…