1. Chung-Ang University. School of Economics, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
2. University of Seoul. Department of Economics, University of Seoul, Seoulsiripdaero 163, Dongdaemun-gu, Seoul 02504, Republic of Korea
3. Bank of Korea. 67 Sejong-daero, Jung-gu, Seoul 04514, Republic of Korea