Li, Chaojun, and Yan Liu. "Asymptotic properties of the maximum likelihood estimator in regime-switching models with time-varying transition probabilities." The Econometrics Journal 26.1 (2023): 67-87. [ Replication Code ]
"Estimation and Inference for Markov-Switching GARCH Models"
“Efficient score computation and expectation-maximization algorithm in regime-switching models,” with Shi Qiu.
"Estimating Large-Dimensional Factor Models with Multiple Structural Changes"