collaborators

13 papers

econ.EM2026

Monotone Response for Random Objects

Daisuke Kurisu, Yuta Okamoto, Taisuke Otsu

Monotone treatment response (MTR), monotone treatment selection (MTS), and monotone instrumental variable (MIV) assumptions are widely used to partially identify counterfactual mea…

stat.ME2026

Geodesic Causal Inference

Daisuke Kurisu, Yidong Zhou, Taisuke Otsu +1

Adjusting for confounding and imbalance when establishing statistical relationships is an increasingly important task, and causal inference methods have emerged as the most popular…

econ.EM2026

Lee Bounds for Random Objects

Daisuke Kurisu, Yuta Okamoto, Taisuke Otsu

In applied research, Lee (2009) bounds are widely applied to bound the average treatment effect in the presence of selection bias. This paper extends the methodology of Lee bounds…

econ.EM2025

Difference-in-Differences with Interval Data

Daisuke Kurisu, Yuta Okamoto, Taisuke Otsu

Difference-in-differences (DID) is one of the most popular tools used to evaluate causal effects of policy interventions. This paper extends the DID methodology to accommodate inte…

econ.EM2025

Regression adjustment in completely randomized experiments with many covariates

Harold D Chiang, Yukitoshi Matsushita, Taisuke Otsu

This paper investigates estimation and inference for average treatment effects in completely randomized experiments when researchers observe potentially many covariates. Within Ney…

stat.ML2025

Empirical Likelihood for Random Forests and Ensembles

Harold D. Chiang, Yukitoshi Matsushita, Taisuke Otsu

We develop an empirical likelihood (EL) framework for random forests and related ensemble methods, providing a likelihood-based approach to quantify their statistical uncertainty.…