1. Dalian Polytechnic University, Dalian, P. R. China
2. Business Administration, Dongbei University of Finance and Economics, Dalian, P.R. China
3. School of Business Administration, Dongbei University of Finance and Economics, Dalian, P. R. China
4. Shenzhen-Audencia Business School, Shenzhen University, Shenzhen, P. R. China
5. School of Economics and Management, Dalian University of Technology, Dalian, P. R. China