Published papers

Shaping forecast models for arbitrary choice of bandwidth (with Allan Timmermann and Yinchu Zhu), forthcoming in Journal of Econometrics.
[Paper]

Forecast selection in unstable environments (with Stefan Richter), 2025, Journal of Business & Economic Statistics, 2025, Vol. 44(2), 574–586.
[Paper] [Supplementary Material] [Python code]

For non-technical description see [Chicago Booth Review] or a video at [Chicago Booth Review Video]

Estimation of nonstationary nonparametric regression with multiplicative structure (with L. Chen and W.B. Wu), 2022, Econometrics Journal, Vol. 25(1).
[Paper]‍ ‍[Online Appendix]‍ ‍[R code]

Asymptotic Theory for QMLE for the Real-time GARCH(1,1) model (with W. B. Wu), 2021, Journal of Time Series Analysis, Vol 42 (4-5).
[Paper] [Online Appendix]


Real-time GARCH, 2017, Journal of Financial Econometrics, Vol. 15(4).
[Paper] [Supplementary Material] [Matlab Code]

  • Winner of the G-Research PhD Prize in Quantitative Finance 2017

  • Winner of the Cambridge Finance Best Student Paper Award, 2017

Testing Martingale Hypothesis for Gross Returns (with Oliver B. Linton), 2016, Journal of Empirical Finance, Vol. 38
[Paper] [Matlab Code]

Working papers

Predictive ability testing robust to instabilities (with Stefan Richter and Jason Lu), submitted
[Paper] [Supplementary Material] [Python code]

Perceived shocks and impulse response functions (with Raffaella Giacomini and Jason Lu), submitted
[Paper] [Chicago Booth Review]

Work in PROGRESS:

Learning what errors matter: directional losses for forecast evaluation

How forecasters perceive the economy: sources of shocks and their dynamic effects (with R. Giacomini, J. Lu and S. Miranda-Agrippino)

Robustness and adaptability in forecasting (with A. Timmermann and Y. Zhu)

Learning performance curves (with J. Lu)

Seasonal adjustment at the boundary: evidence form data revisions and lessons from theory (with J. Lu)