1. Department of Economics, Ewha Womans University, 52, Ewhayeodae‐gil, Seodaemun‐gu, Seoul 03760, Republic of Korea
2. Economic Research Institute, The Bank of Korea, 55 Namdaemun‐ro, Jung‐gu, Seoul 04531, Republic of Korea
3. Division of Global Human Resources (Regional Economics Major), Kangwon National University, 346 Jungang‐ro, Samcheok‐si, Gangwon‐do 24341, Republic of Korea