1. North Dakota State University, College of Business, Fargo, ND, USA; and Sheila and Robert Challey Institute for Global Innovation and Growth, North Dakota State University, Fargo, ND, USA.
2. Department of Agricultural, Environmental and Development Economics, Ohio State University, Columbus, OH, USA; School of Economics, Jinan University, Guangzhou, China; and Social Sciences Department, Gran Sasso Science Institute, L'Aquila, Italy.