1. Department of Economics The University of the West Indies, St. Augustine, Trinidad and Tobago
2. Department of Finance, Asia University, Wufeng Taichung Country 41354, Taiwan, R. O. China
3. Research Center of FinTech and BlockChain Technology, Asia University, Taichung Country 41354 Taiwan, R. O. China
4. Big Data Research Center, College of Management, Asia University, Taichung Country 41354, Taiwan, R. O. China
5. Department of Medical Research, China Medical University Hospital, Taichung 40402, Taiwan, R. O. China
6. Department of Economics and Finance, The Hang Seng University of Hong Kong, Shatin, East New Territories, Hong Kong