C.V. of Kengo Kato
Major: Mathematical Statistics, Model Selection, Quantile Regression
Education
2009 Ph.D. (Economics) Graduate School of Economics, University of Tokyo
Adviser: Prof. Tatsuya Kubokawa
2007 M.A. (Economics) Graduate School of Economics, University of Tokyo
2005 B.A. (Economics) Department of Economics, University of Tokyo
Employment
2009-Present Assistant Professor, Department of Mathematics, Hiroshima University
2008-2009 Research Fellow-DC2, Japan Society for the Promotion of Science
Visiting Position
2011-2012 Visiting Scholar, Department of Economics, MIT
Publications and working papers
- Improved prediction for a multivariate normal distribution with unknown mean and variance. Ann. Inst. Statist. Math., 61, 2009, 531-542.
- On the degrees of freedom in shrinkage estimation. J. Multivariate Anal., 100, 2009, 1338-1352.
- Asymptotics for argmin processes: Convexity arguments. J. Multivariate Anal., 100, 2009, 1816-1829.
- Solving $\ell_1$ regularization problems with piecewise linear losses. J. Comp. Graph. Statist., 2009, accepted.
- A
theory of lasso-quantile regression and its application to a non-life
insurance problem (in Japanese, with Prof. Naoto Kunitomo and Mr.
Satoshi Masuda). J. Japan Statist. Soc., 38, 2009, 121-149.
- Asymptotic normality of Powell's kernel estimator. Ann. Inst. Statist. Math., 2009, accepted.
- Weighted
Nadaraya-Watson estimation of conditional expected shortfall. J. Financial Econometrics, 2012, accepted.
- Asymptotics
for panel quantile regression models with individual effects (revised). (with
Prof. Galvao and Prof. Montes Rojas). J. Econometrics, 2012, accepted.
- Smoothed quantile regression for panel data (under revision) (with Prof. Galvao). pdf
- Testing linearity against threshold effects: uniform inference
in quantile regression (with Profs. Galvao, Montes-Rojas, Olmo).
- A note on moment convergence of bootstrap M-estimators. Statistics and Decisions, accepted. ,
- Group Lasso for high dimensional sparse quantile regression models. arxiv:1103.1458
- Two-step estimation of high dimensional additive models. (in progress)
- Estimation in functional linear quantile regression. arxiv:1202:4850 Sample Ox code (note: zip file)
- Quasi-Bayesian analysis of nonparametric instrumental variables models. arxiv:1204:2108
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