First Author:   Hong Zhuang Judd Leighton School of Business and Economics, Indiana University South Bend zhuangh@iusb.edu   South Bend, 46634, USA   574-520-4634(Phone) 574-520-4634(Fax) Second Author: Miao Wang Economics Department, College of Business Administration, Marquette University grace.wang@marquette.edu   606 N. 13th St. Milwaukee, 53233, United States   4145261351(Phone)