[Hueng, C. James] Western Michigan Univ, Dept Econ, Kalamazoo, MI 49008 USA.
[Hueng, C. James] Changsha Univ Sci & Technol, Sch Econ & Management, Changsha, Hunan, Peoples R China.
[Liu, Ping] Shanghai Lixin Univ Accounting & Finance, Sch Finance, Shanghai, Peoples R China.
[Wang, Lirong] Northeast Normal Univ, Sch Econ, Changchun, Jilin, Peoples R China.
[Wang, Lirong] Northeast Normal Univ, Sch Math & Stat, Key Lab Appl Stat, Minist Educ, Changchun, Jilin, Peoples R China.