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stat.ME2025
Low-rank Covariate Balancing Estimators under Interference
Souhardya Sengupta, Kosuke Imai, Georgia Papadogeorgou
A key methodological challenge in observational studies with interference between units is twofold: (1) each unit's outcome may depend on many others' treatments, and (2) treatment…
math.ST2025
Statistical Decision Theory with Counterfactual Loss
Benedikt Koch, Kosuke Imai
Many researchers apply classical statistical decision theory to evaluate treatment choices and learn optimal policies. However, because this framework relies solely on realized out…
stat.ME2025
Spatiotemporal causal inference with arbitrary spillover and carryover effects: Airstrikes and insurgent violence in the Iraq War
Mitsuru Mukaigawara, Kosuke Imai, Jason Lyall +1
Social scientists now routinely draw on high-frequency, high-granularity ''microlevel'' data to estimate the causal effects of subnational interventions. To date, most researchers…