주택담보대출 규제 변화에 따른 가구별 차입제약 영향 분석

This study analyses the effects of collateral constraints based on regulation changes in LTV, DTI and DSR on mortgage loan, according to household income, age, asset, region, and housing tenure status, Korea Housing Survey data in 2016. The findings of the analysis and their policy implications are as follows: First, to minimize undesirable effects, on actual demand, of mortgage loan regulation tightened to manage household debts, micro approach and analysis that can identify the characteristics of actual demand are needed, and appropriate regulation should be imposed according to them. In particular, it is expected that mortgage loan regulation has great effects on those in their forties who are the key group of housing demand. Second, the analysis shows that the LTV constraint is more powerful than DTI and DSR constraints in Korean mortgage loan market, and thus it is expected that the level of LTV regulation will continue to be an important factor in households’ successful borrowing in the future. Third, the effects of DSR regulation on collateral constraint of mortgage loan are determined depending on calculation methods and criteria. Especially, it is deemed important to prepare loosened conditions lest they have negative effects on actual demand for housing and changing demand for housing.