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Fair valuation of mortgage insurance under stochastic default and interest rates

Author

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  • Wu, Yang-Che
  • Huang, Yi-Ting
  • Lin, Shih-Kuei
  • Chuang, Ming-Che

Abstract

Unlike most studies in the literature, in this study, we incorporate three main factors into the pricing method of mortgage insurance: interest rate, housing price, and hazard rate (default risks). The empirical analysis highlighted that the interest rate and housing price are positively correlated during July 2004 to November 2016 because of the monetary policy over this period. Subsequently, in the risk-neutral pricing framework, mortgage insurance of the fixed-rate mortgage is priced using a Monte Carlo simulation approach. The sensitivity analysis indicated that interest rate, housing price, and default rate are important factors for mortgage insurance. Moreover, because our model can measure the risks of the interest rate and hazard rate, insurance companies can use this model to price mortgage insurance to avoid a condition in which the insurance company does not have sufficient reserves to support compensation.

Suggested Citation

  • Wu, Yang-Che & Huang, Yi-Ting & Lin, Shih-Kuei & Chuang, Ming-Che, 2017. "Fair valuation of mortgage insurance under stochastic default and interest rates," The North American Journal of Economics and Finance, Elsevier, vol. 42(C), pages 433-447.
    • Handle: RePEc:eee:ecofin:v:42:y:2017:i:c:p:433-447
    DOI: 10.1016/j.najef.2017.08.003
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    References listed on IDEAS

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    Cited by:

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    2. Zhi, Bangdong & Wang, Xiaojun & Xu, Fangming, 2020. "Impawn rate optimisation in inventory financing: A canonical vine copula-based approach," International Journal of Production Economics, Elsevier, vol. 227(C).

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    More about this item

    Keywords

    Mortgage insurance; Stochastic default rate; Loan-to-value;
    All these keywords.

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C46 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Specific Distributions
    • G01 - Financial Economics - - General - - - Financial Crises
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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