1. Department of Economics, Case Western Reserve University, Cleveland, OH 44106.
2. Department of Economics, Arps Hall, Ohio State University, 1945 North High Street, Columbus, OH 43210.
3. Institute for Mainland China Studies, National Dong Hwa University, 1, Sec. 2, Da-Hsueh Road, Hualien 97441, Taiwan.
4. Glorious Sun School of Business & Management, China Textile University, 1882 West Yan-An Road, Shanghai 200051, China.