1. Department of Political Science , Montana State University , PO Box 172240 , Bozeman , MT 59717 , USA
2. Department of Agribusiness & Natural Resource Economics , Makerere University , PO Box 7062 , Kampala , Uganda
3. Jake Jabs College of Business & Entrepreneurship, Montana State University , PO Box 173040 , Bozeman , MT 59717 , USA