About Me:

Yuta OKAMOTO (岡本 優太)

I am an Assistant Professor at the Graduate School of Economics, Hitotsubashi University.
I received my PhD in Economics from Kyoto University in 2026, where my advisors were Yoshihiko Nishiyama, Shin Kanaya, and Takahide Yanagi.

E-mail: yuta.okamoto[at]r.hit-u.ac.jp

CV on this page

Upcoming Talks: Kanematsu Fellowship Seminar at Kobe University, 1 June 2026

Publications:

1. Joint Inference for the Regression Discontinuity Effect and Its External Validity
   accepted, Journal of Applied Econometrics | Link to arXiv

2. Robustify and Tighten the Lee Bounds: A Sample Selection Model under Stochastic Monotonicity and Symmetry Assumptions
   The Econometrics Journal (2025), 28-3, 482–501

Working Papers (Submitted or Under Revision):

1. Bounds on Extrapolated Treatment Effects in Multiple-Cutoff Regression Discontinuity Designs
   with Yuuki Ozaki | Link to arXiv | R&R, Journal of Business & Economic Statistics

2. Kernel Choice Matters for Local Polynomial Density Estimators at Boundaries
   with Shunsuke Imai | Link to arXiv 

3. Random Sets from the Perspective of  Metric Statistics
   with Daisuke Kurisu and Taisuke Otsu | Link to arXiv 

4. Difference-in-Differences with Interval Data
   with Daisuke Kurisu and Taisuke Otsu | Link to arXiv 

5. Lee Bounds for Random Objects
   with Daisuke Kurisu and Taisuke Otsu | Link to arXiv 

6. Two-Sample Instrumental Variable Regression with Many Instruments
   with Yukitoshi Matsushita and Taisuke Otsu | Link to STICERD Discussion Paper

Awards:

1. 2025 Kanematsu Prize (official notification received)

2. Best Presentation Award,  2023 Japan Econometrics Study Group (formerly Kansai Keiryo Keizaigaku Kenkyukai) | Link