Merton models
A Merton approach to transfer risk
Transfer risk is the risk that debtors in a country are unable to ensure timely payments of foreign currency debt service due to transfer or exchange restrictions, or a general lack of foreign currency. Although this risk is not extensively addressed in…
A Merton approach to transfer risk
Transfer risk is the risk that debtors in a country are unable to ensure timely payments of foreign currency debt service due to transfer or exchange restrictions, or a general lack of foreign currency. Although this risk is not extensively addressed in…
Maximum likelihood estimate of default correlations
Estimating asset correlations is difficult in practice since there is little available data andmany parameters have to be found. Paul Demey, Jean-Frédéric Jouanin, Céline Roget andThierry Roncalli present a tractable version of the multi-factor Merton…
Correlated defaults: let's go back to the data
Estimates of asset value correlation are a key element of Merton-style credit portfoliomodels. Many practitioners have access to asset value data for a large universe of listedfirms, so estimation is within reach. Alan Pitts describes a statistical…
Multi-factor adjustment
The author presents an analytical method for calculating portfolio value-at-risk and expected shortfall in the multi-factor Merton framework. This method is essentially an extension of the granularity adjustment technique to a new dimension.
Bank of England research backs Merton model
Analysts in the Bank of England's domestic finance division believe a Merton model for modelling credit risk is "a useful tool for assessing the riskiness of individual companies".
Sponsor's article > No cure through the cycle
Some have argued that the antidote for pro-cyclicality in the Basel II capital requirements is the use of 'through-the-cycle' estimates of default and recovery rates. David Rowe argues that, whilethis might mitigate the pro-cyclical impact of the Accord,…
Hancock, Merton and Mendoza launch Integrated Finance
Integrated Finance (IFL), the brainchild of Peter Hancock, Robert Merton and Roberto Mendoza – and one of Wall Street’s worst kept secrets – has officially opened for business.
Kamakura upgrades key risk management system
Kamakura, a Honolulu-based risk management technology company, has released a new version of Kamakura Risk Manager (KRM), its integrated risk management application.
The need for hybrid models
In response to the above article, the authors argue that pure firm-value approaches to default prediction are fundamentally flawed.?
Predictive Merton models
Do default indicators such as agency ratings improve upon the predictive power of KMV’s proprietary default prediction methodology?
IRB approach explained
At the end of this month, the consultation period for the new Basel Accord on bank capital will end. We have prepared a technical section this month devoted to various issues surrounding Basel II. In the first paper, Tom Wilde sheds light on the…
Reconcilable differences
H Ugur Koyluoglu and Andrew Hickman explore the common ground between the new credit risk models and the implications for risk management and regulatory capital reform.