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Новые способы измерения катастрофических финансовых рисков: меры «VaR в степени t» и их вычисление // New Ways to Measure Catastrophic Financial Risks: “VaR to the power of t” Measures and How to Calculate Them

Author

Listed:
  • V. Minasyan B.

    (Higher School of Finance and Management, Russian Presidential Academy of National Economy and Public Administration)

  • В. Минасян Б.

    (Высшая школа финансов и менеджмента РАНХиГС при Президенте РФ)

Abstract

The work introduces a family of new risk measures, “VaR to the power of t”. The aim of the work is to study the properties of this family of measures and to derive formulas to calculate them. The study used methods for assessing financial risks by risk measures VaR and ES. As a result, the author proposed a new tool to measure catastrophic financial risks — “VaR to the power of t”. The study proved that for the measuring, it is sufficient to calculate the common risk measure VaR with the confidence probability changed in a certain way. The author concludes that this family of measures should find application in solving the problem of penetrating risk events with low probabilities, but with catastrophic financial losses. The study results may be of use to the regulator to assess the capital adequacy of financial institutions. If t > 1, these measures prove to be more conservative risk measures of catastrophic losses than the known risk measures VaR, ES and GlueVaR. Автор предлагает ввести семейство новых мер риска — «VaR в степени t». Цель работы — исследовать свойства данного семейства мер и вывести формулы для их вычисления. В исследовании использованы методы оценки финансовых рисков в виде мер риска VaR и ES. В результате предложен новый инструмент оценки катастрофических финансовых рисков: «VaR в степени t». Доказано, что для вычисления VaR(t) достаточно рассчитать обычную меру риска VaR с определенным образом измененной доверительной вероятностью. Автор делает вывод, что данное семейство мер может быть полезно в практике риск-менеджмента компаний при решении задачи проникновения в риски событий с малыми вероятностями, но с катастрофическими финансовыми потерями. Результаты данного исследования также могут применяться регулятором для оценки достаточности капитала финансовых институтов. При t > 1 эти меры риска катастрофических потерь оказываются более консервативными, чем известные меры риска VaR, ES и GlueVaR.

Suggested Citation

  • V. Minasyan B. & В. Минасян Б., 2020. "Новые способы измерения катастрофических финансовых рисков: меры «VaR в степени t» и их вычисление // New Ways to Measure Catastrophic Financial Risks: “VaR to the power of t” Measures and How to Calc," Финансы: теория и практика/Finance: Theory and Practice // Finance: Theory and Practice, ФГОБУВО Финансовый университет при Правительстве Российской Федерации // Financial University under The Government of Russian Federation, vol. 24(3), pages 92-109.
  • Handle: RePEc:scn:financ:y:2020:i:3:p:92-109
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    More about this item

    Keywords

    G11; G12; G17; G32; G11; G12; G17; G32; risk measure VaR; risk measure ES; risk measure VaR squared: VaR(2); risk measures VaR to the t power: VaR(t) ; risk measures GlueVaR; confidence probability; probability density distribution; distortion risk measures; risk appetite; subadditivity; tails of distribution; мера риска VaR; мера риска ES; мера риска VaR в квадрате: VaR(2); меры риска VaR в степени t: VaR(t) ; меры риска GlueVaR; доверительная вероятность; плотность распределения вероятностей; меры риска искажения; аппетит к риску; субаддитивность; хвосты распределения;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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