1. Department of Public Finance, College of Social Sciences, National Chengchi University, Taipei 116, Taiwan
2. Discipline of Accounting, College of Management, Yuan Ze University, Taoyuan 320, Taiwan
3. Department of Accounting, College of Business, Chung Yuan Christian University, Taoyuan 320, Taiwan
4. Institute of Guangdong, Hong Kong and Macao, Development Studies, Sun Yat-sen University, Guangzhou 510275, P. R. China