Tatsushi Oka
Affiliation
Department of Economics
Keio University
Tokyo, Japan
Email: tatsushi.oka[at]keio.jp
Education
Ph.D. (Economics), Boston University
M.A. (Economics), Osaka University
Academic Positions
2023- : Professor, Keio University
2022-2023: Research Scientist, AI Lab, CyberAgent
2022-2023: Adj. Asso. Prof., Monash Business School
2019-2022: Asso. Professor, Monash Business School
2017-2018: Senior Lecturer, Monash Business School
2010-2017: Assistant Professor, National University of Singapore
Research Field
Theoretical and Applied Econometrics
Publication
Bivariate Distribution Regression with Application to Insurance Data
with Yunyun Wang and Dan Zhu,
Insurance: Mathematics and Economics, 2023, 113, pp. 215-232
IME | Working PaperHeterogeneous Impact of the Minimum Wage: Implications for Changes in Between- and Within-Group Inequality
with Ken Yamada,
Journal of Human Resources, 2023, 58(1), pp. 335-362.
Journal of Human Resources | Working PaperThe Effect of Human Mobility Restrictions on the COVID-19 Transmission Network in China
with Wei Wei and Dan Zhu
PLoS One, July 2021Inference Related to Common Breaks in a Multivariate System with Joined Segmented Trends with Applications to Global and Hemispheric Temperatures,
with Francisco Estrada, Dukpa Kim, Pierre Perron,
Journal of Econometrics, January 2020, 214(1), pp. 130-152.
Journal of Econometrics | Working PaperIndirect Inference with a Non-Smooth Criterion Function
with David Frazier and Dan Zhu,
Journal of Econometrics, October 2019, 212(2), pp. 623-645.
Journal of Econometrics | Working PaperQuantile Treatment Effects in Difference in Differences Models under Dependence Restrictions and with only Two Time Periods
with Brantly Callaway and Tong Li,
Journal of Econometrics, October 2018, 206(2), pp. 395-413.
Journal of Econometrics | Working Paper | R-packageTesting for Common Breaks in a Multiple Equations System
with Pierre Perron,
Journal of Econometrics, May 2018, 204(1) pp. 66–85.
Journal of Econometrics |Working PaperThe Cross-Quantilogram: Measuring Quantile Dependence and Testing Directional Predictability between Time Series
with Heejoon Han, Oliver Linton and Yoon-Jae Whang,
Journal of Econometrics, July 2016, 193(1), pp. 251-270.
Journal of Econometrics | Working Paper | R-packageSet Identification of the Censored Quantile Regression Model for Short Panels with Fixed Effects
with Tong Li,
Journal of Econometrics, October 2015, 188(2), pp. 363–377.
Journal of Econometrics | Working PaperDivorce Law Reforms and Divorce Rates in the U.S.: An Interactive Fixed Effects Approach
with Dukpa Kim,
Journal of Applied Econometrics, March 2014, 29(2), pp. 231-245.
Journal of Applied Econometrics | Working PaperEstimating Structural Changes in Regression Quantiles
with Zhongjun Qu,
Journal of Econometrics, June 2011, 162(2), pp. 248-267.
Journal of Econometrics | Working Paper | R-code
Working Papers
Safe Collaborative Filtering
with Riku Togashi, Naoto Ohsaka, Tetsuro Morimura, June 2023
Working PaperDistributional Vector Autoregression: Eliciting Macro and Financial Dependence
with Yunyun Wang and Dan Zhu, Feb 2023
Working PaperSemiparametric Single-Index Estimation for Average Treatment Effects
with Difang Huang and Jiti Gao, June 2022
Working PaperEstimation of Heterogeneous Treatment Effects Using Quantile Regression with Interactive Fixed Effects
with Ruofan Xu, Jiti Gao and Yoon-Jae Whang, August 2022
Working Paper
Research Grants
Australian Research Council (ARC) Discovery Projects (with Pierre Perron and Zhongjun Qu), 2021-2024.
Australian Research Council (ARC) Discovery Projects (with Tong Li), 2019-2022.
Academic Research Fund (Tier 1), Ministry of Education, Singapore, 2016-2019.
Academic Research Fund (Tier 1), Ministry of Education, Singapore, 2013-2016.