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06 September 2019 Research Supervision label Working Papers

Using loan level data on mortgage loans originated by Dutch banks during 1996 to 2015, we analyse the determinants of the incidence of non-performance. We find that both the originating loan-to-value ratio (OLTV) and the debt-service-to-income ratio (DSTI) are significantly positively associated with the probability of non-performance. The results suggest that mortgages with government-loan-guarantees perform better. Moreover, several mortgage loan and borrower characteristics, such as the (interest-only) loan type and the underwater status of the borrower, increase credit risk. Our model predictions suggest a novel policy implication: in order to avoid acceleration of non-performance probabilities, the OLTV-limit should be set to about 70%-80% for uninsured mortgages, and to about 90% for those with mortgage insurance.

Keywords: Credit risk, Mortgage loans, Loan to Value, Loan guarantees. 
JEL classification: G20, G21, H81.

Working paper no. 655

655 - Loan to value caps and government-backed mortgage insurance: Loan-level evidence from Dutch residential mortgages



  • Leo de Haan
  • Mauro Mastrogiacomo