개통 이후의 지하철역 거리에 기반한 주택가격의 시간적 반응 - 개통 후 10년의 대전 도시철도를 중심으로 - (Temporal Reaction of House Price Based on the Distance from Subway Station since Its Operation – Focused on 10-year Experience after Opening of the Daejeon Urban Transit Line –)

서지정보

· 발행기관 : 대한국토·도시계획학회
· 수록지 정보 : 국토계획 / 54권 / 2호 / 54 ~ 66페이지
· 저자명 : 강재원, 성현곤

초록

본 연구는 한국의 대전 대도시권에서의 최초의 지하철 노선의개통 이후의 주택가격의 연도별 시간-변동(time-variant)효과를파악함으로써 이러한 연구질문들에 대한 결론을 규명하고자 하는 데 목적이 있다. 기존의 대부분의 연구들은 개통 전후 또는 특정 기간 간의 비교분석 기법으로 DID(Difference-in-Difference) 기반의 헤도닉 모형을 적용하여 왔다. 그러나 이러한 방법론은 지하철 접근성의 자산가치 영향에 대한 한계거리의 불명확성과 대조군의 엄정한 선정 등에서 어려움이 있다. 또한, 이 방법론은 연도별 차별적 효과의 파악에서 복잡하다는 단점이 있다.
따라서 본 연구는 지하철역 인접성과 거래연도의 상호작용항을고려한 헤도닉 모형과 연도별 시간-변동 확률계수모형의 적용을통하여 연도별 가격의 변동에 따른 통계적 유의성과 방향성, 그리고 규모 등의 변화패턴을 보다 명확하게 파악하고자 한다.

영어초록

This study analyzed whether a subway accessibility impact on house price is constant since its operation over time or not. The study was approached specifically to answer two research questions. One is “Are there significant temporal variations in the relationship between subway accessibility and housing price transacted after its opening?” The other one is “How the pattern of its temporal variation in housing price is formed as a function of the distance from the nearest station?” The study area is the subway station areas in the Daejeon metropolitan city, South Korea. Its first subway line has started to be opened in 2006 with 12 stations and then opened its additional 10 stations in 2007. It can be more appropriate to observe its impacts of subway accessibility on housing price because it has only one transit line with more than 10-year reaction term to its operation. The study employed alternative models to estimate yearly variation of subway accessibility on house price for the station areas with 500-meter and 1-kilometer radius respectively. While the study originally considered both a hedonic price model with interaction terms of its access distance to yearly transacted housing and a time-variant random coefficient model, the former model was finally selected because it is better fitted.
Based on our analysis results, the reaction of house price to its transit line had significant temporal variation over time after opening. In addition, the pattern in its variation from our analysis results indicates that its capitalization impact on house price is over-estimated in its first several years after the opening. In addition, its positive capitalization impact is more effective in the 1000-meter station area than in the 500-meter one.

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