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Stress Testing of Probability of Default of Individuals



This paper introduces a model for stress testing of probability of default of individuals. The model rests on assumption that the individual defaults if his savings fall below zero. The probability of default is then described as a function of several macroeconomic indicators such as wages, unemployment and interest rates. Stress testing is carried out by applying exogenous stress scenarios for development of these indicators. The model implies that sensitivity of probability of default to the stress is mainly driven by Installment to Income Ratio and for mortgages also by loan maturity. Hence Installment to Income ratio is suggested as the appropriate tool to manage credit risk of retail portfolios.

Suggested Citation

  • Petr Kadeřábek & Aleš Slabý & Josef Vodička, 2008. "Stress Testing of Probability of Default of Individuals," Working Papers IES 2008/11, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised Jul 2008.
  • Handle: RePEc:fau:wpaper:wp2008_11

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    References listed on IDEAS

    1. John Y. Campbell & John H. Cochrane, 1994. "By Force of Habit: A Consumption-Based Explanation of Aggregate Stock Market Behavior," CRSP working papers 412, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
    2. Merton, Robert C, 1974. "On the Pricing of Corporate Debt: The Risk Structure of Interest Rates," Journal of Finance, American Finance Association, vol. 29(2), pages 449-470, May.
    3. Petr JAKUBÍK, 2007. "Macroeconomic Environment and Credit Risk (in English)," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 57(1-2), pages 60-78, March.
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    Cited by:

    1. Petr Jakubík, 2011. "Household Balance Sheets and Economic Crisis," Working Papers IES 2011/20, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised Jun 2011.
    2. Jakubik, Petr, 2011. "Households response to economic crisis," BOFIT Discussion Papers 7/2011, Bank of Finland, Institute for Economies in Transition.

    More about this item


    banking; credit risk; stress testing; probability of default;

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth

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