Dr. Ke Xu

Bio

Dr. Xu joined our department in 2017 after obtaining her PhD from Queen's University. Dr. Xu is deeply passionate about the field of finance and its potential to drive positive change in society. Dr. Xu’s research interests lie at the intersection of Financial Market Microstructure and Quantitative Finance. Her recent works focus on understanding the effects of new technologies on Market Efficiency, information structure in Fragmented Markets, and the application of Machine Learning in Finance. Through her research, she seeks to shed light on the dynamics, challenges, and opportunities within this field.

Her publications have appeared in the Journal of Banking and Finance, Journal of Empirical Finance and Journal of Futures Markets.

Interests

• Financial Market Microstructure
• Applied Time Series Analysis
• Macroeconomics

Courses

• ECON 104, Principles of Macroeconomics 
• ECON 435, Financial Economics
• ECON 454, Theory of Corporate Finance
• ECON 529, Economics of Finance

Selected Publications

Publications
Mengxia Yu, Ke Xu, Xinwei Zheng,"Mimicking crypto portfolios in sustainable investment," with Mengxia Yu and Xinwei Zheng, 2024, The British Accounting Review, https://doi.org/10.1016/j.bar.2024.101463.
Xu, K., Chen, Y.-L., Liu, B., & Chen, J. (2024). Price discovery and long-memory property: Simulation and empirical evidence from the bitcoin market. The Journal of Futures Markets, 1–14. https://doi.org/10.1002/fut.22484
"Market uncertainty, persistent arbitrage-free violation, and price discovery in RMB market," with Yu-Lun Chen and Jimmy Yang, 2023, International Review of Financial Analysis.
"Non-standard errors," with Albert Menkveld et al., 2023,  Journal of Finance, forthcoming.
"High frequency market making during stressed periods," 2023,  International Review of Economics and Finance 87: 379-397.
“Novel modelling strategies for high-frequency stock trading data," with Xuekui Zhang, Yuying Huang and Li Xing, 2023, Financial Innovation 9(1): 1-25.
"Fractional cointegration and price discovery in Canadian commodities,'' with Kenneth Stewart, and Zeyang Cao, 2022, North American Journal of Economics and Finance 63:101799.
"COVID-19 vaccine and post-pandemic recovery: evidence from Bitcoin cross-asset implied volatility spillover,” with Michael Di, 2022, Finance Research Letters 50:103289.
"Trade friction and price discovery in the USD-CAD spot and forward markets" with Stella Yan, Victor Song and Jian Chen, 2022, North American Journal of Economics and Finance 59:101628.
"The impact of RMB's SDR inclusion on price discovery in onshore-offshore markets," with Yu-Lun Chen, 2021, Journal of Banking and Finance 127:106124.
"Fractional cointegration in Bitcoin spot and futures markets," with Jinghong Wu, Xinwei Zheng and Jian Chen, 2021, Journal of Futures Markets 41(9): 1478-1494.
"Stock market openness and market quality: evidence from the Shanghai-Hong Kong Stock Connect Program," with Xinwei Zheng, Deng Pan, Li Xing and Xuekui Zhang, 2020, Journal of Financial Research 43(2): 373-406.
"Economic significance of commodity return forecasts from the fractionally cointegrated VAR model," with Sepideh Dolatabadi, Paresh Narayan and Morten Ørregaard Nielsen, 2018, Journal of Futures Markets 38(2): 219-242.
"A fractionally cointegrated VAR model with deterministic trends and application to commodity futures markets" with Sepideh Dolatabadi and Morten Ørregaard Nielsen, 2016, Journal of Empirical Finance 38(B):623-639
"A fractionally cointegrated VAR analysis of price discovery in commodity futures markets" (with Sepideh Dolatabadi and Morten Ørregaard Nielsen, 2015, Journal of Futures Markets 35(4):330-356.