1. Institute of Food and Strategic Reserves, Nanjing University of Finance and Economics, Nanjing City, People’s Republic of China
2. School of Finance, Nanjing University of Finance and Economics, Nanjing City, People’s Republic of China
3. School of Big Data Application and Economics, Guizhou University of Finance and Economics, Guiyang City, People’s Republic of China
4. Faculty of Business and Economics, University of Malaya, Kuala Lumpur, Malaysia