近期研究集中在计量经济学的因果推断，以及机器学习在计量经济学的应用。
相关工作论文：
[1] Chen, Qiang and Zhijie Xiao, "Spread Regression, Skewness Regression, and Kurtosis Regression with an Application to the U.S. Wage Structure," 2021, working paper.
[2] Chen, Qiang, Zhijie Xiao and Qingsong Yao, "Robust Nonparametric Confidence Intervals for Treatment Effects in Panel Data Using Quantile Random Forest," 2021, working paper.
[3] Yan, Guanpeng, and Qiang Chen, "Regression Control Method with Stata," 2021, working paper.
近期的相关著作：
[1] 陈强，《机器学习及R应用》，高等教育出版社，2020年
[2] 陈强，《机器学习及Python应用》，高等教育出版社，2021年