Published Paper:  

1. Score estimation of monotone partially linear index model, (with Taisuke Otsu),  Journal of Nonparametric Statistics (2020)

Working Papers:  

1. Semiparametric estimation with plug-in isotonic estimator, Current version, JMP version

2. Empirical likelihood inference for monotone index model (with Taisuke Otsu and Keisuke Takahata), forthcoming in Japanese Journal of Statistics and Data Science

3. Improved estimation of dynamic models of conditional means and variances (with Weining Wang and Jeffrey M. Wooldridge), R & R for Journal of Time Series Analysis 

4. GLS under monotone heteroskedasticity (with Yoichi Arai and Taisuke Otsu), R & R for Journal of Econometrics

5. Using generalized estimating equations to estimate nonlinear models with spatial data,  (with Cuicui Lu, Weining Wang, Jeffrey M. Wooldridge, and Chaowen Zheng) 

6. Policy choice in time series by empirical welfare maximization (with Toru Kitagawa and Weining Wang)

7. Isotonic propensity score matching (with Taisuke Otsu) 

8. Nonparametric causal inference with functional covariates (with Daisuke Kurisu and Taisuke Otsu)

Work in progress:

1. Specification test under measurement error with multiple integrals