1. Institute of Business Management Sciences, University of Agriculture, Faisalabad 38040, Pakistan
2. Institute of Agricultural and Resource Economics, University of Agriculture, Faisalabad 38040, Pakistan
3. Department of Economics and Rural Development, Gembloux Agro-Bio Tech, University of Liège, 5030 Gembloux, Belgium
4. Department of Business Administration, Universidad Militar Nueva Granada, Bogotá 110111, Colombia
5. Department of Geography, University of California, Santa Barbara, CA 93106, USA