U. I. Ahmed1, 2, L. Ying1, *, M. K. Bashir3, 4, M. Abid5, E. Elahi6 and M. A. Iqbal1
1College of Economics and Management, Huazhong Agricultural University, Wuhan, Hubei Province, China 430070.
2University College of Agriculture, University of Sargodha, Sargodha
3Institute of Agricultural and Resource Economics, University of Agriculture Faisalabad, Pakistan
4 Agriculture Policy, USPCAS-AFS, University of Agriculture, Faisalabad.
5Research group Climate Change and Security, Institute of Geography, University of Hamburg, Grindelberg, Germany
6College of Economics and Management, China Agricultural University, Beijing, China