Modelling
Accord preparations: the rest is yet to come
While the debates have raged for months about many aspects of the proposed Basel II Accord, on some points there has been relative silence, in particular with regard to the seeming overreliance on statistical techniques.
Bank risk disclosure improving, says Basel Committee
A new report from the Basel Committee on Banking Supervision says that, overall, banks are improving their disclosure of credit, market, operational and other risks in their annual reports.
Models of good behaviour
The development of new models that describe the real dynamics of energy prices have to take into account the behavioural aspects of market players. The problem is how to quantify these aspects. Maria Kielmas reports
Associations send repo VAR protest to Basel Committee
US and UK industry associations have sent a joint letter to the Basel Committee on Banking Supervision expressing their "disappointment" that the multipliers for portfolio value-at-risk modelling of repo counterparty exposure will not be altered in the…
Asian basket spreads and other exotic averaging options
Giuseppe Castellacci and Michael Siclari of OpenLink introduce a class of exotic options that simultaneously generalises both Asian and basket options. They develop approximate analytic models for real-time pricing of complex instruments that average…
A decision model for selling park and loan services
The park and loan model is useful for gas storages and pipelines. The concept can be applied to many ‘when to sell’-type decisions. Here, Huagang ‘Hugh’ Li considers selling park and loan services as a financial and statistical decision on revenue and…
UK banking bodies expect further revisions to Basel II op risk plans
British banking industry bodies said in December they continue to expect that the operational risk aspects of the proposed Basel II bank safety accord will be revised in the light of banking industry experience.
Enterprise-wide risk management: Knitting together bank risks
Thanks to recent events, bank risk managers are placing more emphasis on integrating counterparty and credit risk into other portions of their enterprise-wide risk management systems.
Minimising extremes
Portfolio diversification often breaks down in stressed market environments, but the co-movement of asset prices in a tail risk regime may be modelled using a coefficient of tail dependence. Here, Yannick Malevergne and Didier Sornette show how such…
Sponsor's article > Basel II and pro-cyclicality
The main argument for making regulatory capital requirements more risk-sensitive is to improve allocational efficiency. But this may lead to intensified business cycles if regulators fail to take measures to prevent such an impact.
Modelling default rate dynamics in the CreditRisk+ framework
Credit portfolio risk
Experts expect to finalise Basel II securitisation issues this week
LONDON – Technical experts expect this week to finalise their proposals for handling the one major issue still outstanding in the complex Basel II accord aimed at making the world’s banking system safer – the technically thorny question of how to treat…
Finessing fixed dividends
Equity options
Credit model evaluation
With the new Basel Capital Accord scheduled for implementation in 2005, banks are having to evaluate the credit scoring models that will enable them to meet the minimum standards for Basel’s internal ratings-based (IRB) approach. Selecting an appropriate…
Op risk modelling evolves
Operational risk is devilishly difficult to model, but dealers and software vendors are making headway. Automated op risk reporting, profiling and sophisticated operational value-at-risk (VAR) modelling are finally beginning to catch-on in banks.
Modelling growth stocks
Stock valuation models
Regulators looking at possible changes to Basel II credit risk plans
Basel - Global banking regulators are studying possible changes to the credit risk proposals of the complex Basel II bank capital accord, after seeing evidence that banks face higher capital charges under Basel II than they do under the current Basel I…
Equity to credit pricing
Default models
Irreconcilable differences
Model comparison
Plugging into electricity
Commodities
A risk-control model for operational risk capital
Basel II's op risk proposals should allow for a simple internal model, argues Tony Blunden in his second article on the new capital adequacy accord.
Forward thinking
Forward simulation
Modelling credit migration
Masterclass – with JP Morgan
Modeling and measuring operational risk
Recent operational risk events such as occurred at Barings, Daiwa, Sumitomo, and other institutions show the importance of measuring and controlling such operational risk. In this paper the authors present a quantitative operational risk measurement…