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| Modèle de défaut de Merton× | Ajustement de la valorisation du risque de crédit× | |
|---|---|---|
| Domaine | Finance quantitative | Finance quantitative |
| Famille | Regression model | Regression model |
| Année d'origine≠ | 1974 | 2000s |
| Auteur d'origine≠ | Robert C. Merton | Jon Gregory |
| Type≠ | Credit Risk Model | Valuation Framework |
| Source fondatrice≠ | Merton, R. C. (1974). On the pricing of corporate debt: The risk structure of interest rates. Journal of Finance, 29(2), 449-470. DOI ↗ | Gregory, J. (2009). Counterparty Credit Risk: The New Challenge for Global Financial Markets. John Wiley & Sons. link ↗ |
| Alias | Structural Credit Model, Asset-to-Equity Model | CVA, Counterparty Risk Adjustment |
| Apparentées | 3 | 3 |
| Résumé≠ | The Merton model (1974) is a structural approach to credit risk in which a firm defaults when its asset value falls below liabilities at maturity. Equity is viewed as a call option on firm value, and debt is an implicit short put position. The model links company fundamentals (asset volatility) to default probability and is foundational for modern credit risk measurement. | Credit Valuation Adjustment (CVA) is the market price of counterparty credit risk embedded in over-the-counter (OTC) derivatives. CVA measures the loss from counterparty default, accounting for both the probability of default and the exposure at that time. It has become a key component of derivative valuation and risk management since the 2008 financial crisis. |
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