International Evidence on GFC-robust Forecasts for Risk Management under te Basel Accord

Michael McAleer, Juan Jimenez-Martin and Teodosio Pérez-Amaral

No EI 2011-04, Econometric Institute Research Papers from Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute

Abstract: A risk management strategy that is designed to be robust to the Global Financial Crisis (GFC), in the sense of selecting a Value-at-Risk (VaR) forecast that combines the forecasts of different VaR models, was proposed in McAleer et al. (2010c). The robust forecast is based on the median of the point VaR forecasts of a set of conditional volatility models. Such a risk management strategy is robust to the GFC in the sense that, while maintaining the same risk management strategy before, during and after a financial crisis, it will lead to comparatively low daily capital charges and violation penalties for the entire period. This paper presents evidence to support the claim that the median point forecast of VaR is generally GFC-robust. We investigate the performance of a variety of single and combined VaR forecasts in terms of daily capital requirements and violation penalties under the Basel II Accord, as well as other criteria. In the empirical analysis, we choose several major indexes, namely French CAC, German DAX, US Dow Jones, UK FTSE100, Hong Kong Hang Seng, Spanish Ibex35, Japanese Nikkei, Swiss SMI and US S&P500. The GARCH, EGARCH, GJR and Riskmetrics models, as well as several other strategies, are used in the comparison. Backtesting is performed on each of these indexes using the Basel II Accord regulations for 2008-10 to examine the performance of the Median strategy in terms of the number of violations and daily capital charges, among other criteria. The Median is shown to be a profitable and safe strategy for risk management, both in calm and turbulent periods, as it provides a reasonable number of violations and daily capital charges. The Median also performs well when both total losses and the asymmetric linear tick loss function are considered

Keywords: C22; C53; G11; G17; G32; Value-at-Risk (VaR); aggressive risk management; basel II Accord; conservative risk management; daily capital charges; global financial crisis (GFC); median strategy; optimizing strategy; robust forecasts; violation penalties (search for similar items in EconPapers)
Date: 2011-01-25
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Citations: View citations in EconPapers (6)

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Related works:
Journal Article: International Evidence on GFC‐Robust Forecasts for Risk Management under the Basel Accord (2013)
Working Paper: International Evidence on GFC-robust Forecasts for Risk Management under the Basel Accord (2011)
Working Paper: International Evidence on GFC-robust Forecasts for Risk Management under the Basel Accord (2011)
Working Paper: International Evidence on GFC-robust Forecasts for Risk Management under the Basel Accord (2011)
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