Hongjun LI
Associate Professor of Economics, Tsinghua University
Contact Information
Address: Mingzhai 214, Tsinghua University, Haidian District, Beijing-100084, China
Phone: (8610) 6279-4810
Email: hongjunli at tsinghua.edu.cn
https://orcid.org/0009-0006-8405-2431
Professional Experience
September 2021- present, Associate Professor, Institute of Economics, School of Social Sciences, Tsinghua University
May 2014- September 2021, Associate Professor, Capital University of Economics and Business
Research Interests
Econometric Methods, Machine Learning, Artificial Intelligence
Education
PhD in Economics, 2014, Texas A&M University
Master in Economics, Peking University
B.S. in Engineering, Tsinghua University
Publications
11. Approximation to Smooth Functions by Low-rank Swish Networks (with Z. Li, J. Wang, and K. Tang), 2025, accepted, International Conference on Machine Learning (ICML).
10. Digital technologies (with Q. Li, Z. Xu, and X. Ye), 2025 (forthcoming) Journal of Digital Economy.
9. Assessing the impacts of pandemic and the increase in minimum down payment rate on Shanghai housing prices (with Z. Li and C. Hsiao), 2023, Empirical Economics, Volume 64, pp. 2661-2682.
8. The Misalignments in Chinese Real Effective Exchange Rate from 1994 to 2020: A Counterfactual Analysis (with Y. Gao and Q. Li), 2022, China Economic Review, Volume 75, 101828.
7. A Modified Bootstrap for Kernel-based Specification Test with Heavy-tailed Data (with T. Huang, and Z. Li), 2020, Economics Letters, Volume 189, 108986.
6. Cross-Validated Mixed-Datatype Bandwidth Selection for Nonparametric Cumulative Distribution and Survivor Functions (with C. Li and J. Racine),2017, Econometric Reviews, Volume 36, pp. 970-987.
5. Determining the Number of Factors when the Number of Factors Increases with Sample Size (with Q. Li and Y. Shi), 2017, Journal of Econometrics, Volume 197, Issue 1, pp. 76–86.
4. Model Averaging with High-dimensional Dependent Data (with S. Zhao and J. Zhou), 2016, Economics Letters, Volume 148, pp. 68-71.
3. Consistent model specification tests based on k-nearest-neighbor estimation method (with Q. Li and R. Liu), 2016, Journal of Econometrics, Volume 194, Issue 1, pp. 187-202.
2. Estimation of panel data partly specified Tobit regression with fixed effects (with C. Ai, Z. Lin and M. Meng), 2015, Journal of Econometrics, Volume 188, Issue 2, pp. 313-568.
1. Testing purchasing power parity hypothesis: a semiparametric varying coefficient approach (with Z. Lin and C. Hsiao), 2015, Empirical Economics, Volume 48, Issue 1, pp 427-438.
Working Papers
1. Disrupted and Rebuilt: The Untold Impact of Economic Network Restructuring on China’s Post-Lockdown Recovery (with K. Rong et al.) Revised & Resubmitted
2. Dynamic Sharing of Computility: Price Formation and Policy Analysis (with Wang Y. and Fu F.) Under Revision (in Chinese).
3. Controlling Interactive Fixed Effect of Panel Data Models Using Diversified Projections (with Q. Li, K. Li and Q. Wang) Submitted
4. The Profitability of Digital Technologies (with X. Ye) Submitted
5. Optimizing the Pre-merger Notification Rule with Regulatory Data: Empirical Analysis Based on China (with Q. Xiong, F. Deng, and D. Xie) Submitted
6. Subsampling-Based Random Projection Regression (with K. Chiong and M. Shum)
7. MRC Estimation of Single Index Model with Varying Coefficient (with J. Li and W. Zhang)
8. Approximation to Smooth Functions by Low-rank Swish Networks (with Z. Li, J. Wang, and K. Tang)
9. Estimation and Inference of Panel Data Models with Constrained Interactive Effects (with K. Li and S. Wang)
10. The Effect of Vertical Specialization on Exchange Rate Pass-through
Work in Progress
1．Optimal Portfolio Selection with Random Projection
2．Non-asymptotic Inference of Hypothesis Testing (with M. Shum)
3．Market Competition in the Presence of Influential Users
4．Identification and Estimation of Panel Data Model with Latent Groups and Potential Structural Changes (with J. Qian and L. Su)
5．Grouped Factor Model and Its Application to Exchange Rate Analysis (with Q. Wang and Y. Shi)
6．Estimation and Inference of Panel Data Models with Constrained Interactive Effects (with G. Cui and K. Li)
7．Dimension Matters
8．Conditional High Dimensional Portfolio Construction (with Z. Cai)
9．A Machine Learning Approach to the Estimation and Inference of Heterogeneous Linear Regression Models (with M. Iwasawa)
Seminars
Tsinghua University, Shanghai Jiaotong University, Hong Kong University of Science and Technology, Shanghai University of Finance and Economics, Jinan University, Huazhong University of Science and Technology, Tsinghua University, Renmin University of China, Xiamen University, Peking University, Chinese University of Hong Kong
Research Grants
1.Panel Data Model with Constrained Interactive Effects: Theory and Application, National Natural Science Foundation of China (#71601130)},
2.The Effect of Nobleman Culture on Firms’ Innovations, Nobleman Culture Research Center of Tsinghua University.
Teaching
Tsinghua University:
1. Undergraduate: Industrial Economics, Mathematics for Economists
2. Graduate: Machine Learning
Capital University of Economics and Business：Advanced Econometrics, Frontiers of Econometrics, Mathematics for Economists, Statistical Inference
Honors and Awards
2020 Excellent Advisor of Beijing
2022 Second Prize for Blackboard Writing of Tsinghua University
2024 First Prize for Basic Skills Competition of Teaching of Tsinghua University
Social Services
Vice Dean of Institute of Economics, School of Social Sciences, Tsinghua University
Director of Master Program of Digital Economy, Tsinghua University
Board Member of China Information Economics Society
Committee Member of Digital Economy Association of China, China Information Economics Society
Associate Dean of Platform of Social Computing, Tsinghua University
Associate Editor, Journal of Digital Economy
Referee Services
Econometric Theory, Journal of the American Statistical Association, Journal of Applied Econometrics, Journal of Business and Economic Statistics, Journal of Econometrics, Computational Statistics & Data Analysis, Economics Letters, International Studies of Economics, Economic Modeling, Statistical Papers, etc.
