Prukumpai S. Time-varying Industrial Portfolio Betas under the Regime-switching Model: Evidence from the Stock Exchange of Thailand. Asian J. Appl. Econ. [internet]. 2016 May 21 [cited 2025 Apr. 17];22(2):54-76. available from: https://so01.tci-thaijo.org/index.php/AEJ/article/view/57289