First Author:   Hoyong Jung Graduate School of Public Administration, Seoul National University ghdydwjd@snu.ac.kr   1 Gwanak-ro, Gwanak-gu, Seoul Seoul, 08826, South Korea       Second Author: Youngjae Hwang Real Estate Department, Sogang University hyjestate@sogang.ac.kr   35 Baekbeom-ro, Mapo-gu, Seoul Seoul, 04107, South Korea