Affiliation: | 1. Department of Agribusiness and Applied Economics, North Dakota State University 7610, 634 Barry Hall, 811 2nd Ave N Fargo 6050, ND 58E108–6050, USA;2. Department of Agribusiness and Applied Economics, North Dakota State University in Fargo, ND 58105, USA;3. MarKit County Grain, 800N 3rd St. Apt 121, Grand Forks, ND 58203, USA;1. Faculty of Business Administration, Kyoto Sangyo University Kamigamo-motoyama, Kita-ku, Kyoto 603–8555, Japan;2. College of Commerce, Nihon University, Japan |