1. Department of Economics, Hannam University, Daejeon, Republic of Korea
2. Department of Business Administration, Daffodil International University, Dhaka, Bangladesh
3. School of Global Studies, Kyungsung University, Busan, Republic of Korea
4. Department of Economics, Hannam University, Daedeok-Gu Daejeon, Republic of Korea
5. Department of International Trade, Chungnam National University, Daejeon, Republic of Korea