1. School of Urban and Regional Science, Shanghai University of Finance and Economics, Shanghai, China
2. School of Economics, Hefei University of Technology, Hefei, China
3. School of Urban and Regional Science, Institute of Yangtze River Delta and Yangtze River Economic Belt Development, Shanghai University of Finance and Economics, Shanghai, China
4. Department of Applied Economics I, University of Castilla La Mancha, Cuenca, Spain;
5. School of Finance, Anhui University of Finance and Economics, Bengbu, China