1. Department of Finance, College of Management, National Taiwan University, Taipei, Taiwan
2. Department of Accounting, College of Management, Yuan Ze University, Taoyuan, Taiwan
3. Division of Banking and Finance, Nanyang Business School, Nanyang Technological University, Singapore
4. Department of Finance, School of Business, Rutgers University, New Brunswick, NJ 08903, USA
5. Department of Finance, College of Management, Da-Yeh University, Chang-Hua, Taiwan