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Quantitative risk models have been presented as one of the causes of the financial crisis that started in 2007. In this fully updated second edition, authors Christian Meyer and Peter Quell give a holistic view of risk models: their construction, appropriateness, validation and why they play such an important role in the financial markets.This new edition provides financial institutions with a toolbox to raise the key questions when it comes to integrating the results of quantitative risk models into business decisions.Readers will be able to:• Evaluate the validity of a model;• Judge the model’s quality, consistency and regulatory compliance; • Improve a framework for validation; and• Tailor a model-risk approach for their institutionAuthor biographyChristian Meyer and Peter QuellChristian Meyer is working as Quantitative Analyst in the Portfolio Modeling Team for Market and Credit Risk in the Risk Controlling Unit of DZ BANK AG in Frankfurt where he is responsible for the development of portfolio models for credit risk in the banking book and incremental risk in the trading book. Prior to joining DZ BANK AG he was working for KPMG where he dealt with various aspects (audit and consulting) of market risk, credit risk, and economic capital models in the banking industry. He holds a diploma and PhD in Mathematics.Peter Quell is Head of the Portfolio Analytics Team for Market and Credit Risk in the Risk Controlling Unit of DZ BANK AG in Frankfurt. Prior to joining DZ BANK AG he was Manager at d-fine GmbH where he dealt with various aspects of risk management systems in the banking industry. He holds a MSc. in Mathematical Finance from Oxford University and a PhD in Mathematics.