Technical paper/Advanced measurement approach (AMA)
Observations on the differences between operational risk regulatory and economic capital
In this article, Niklas Hageback takes a practical look at the difficulties in reconciling regulatory and economic capital calculation in the discipline of operational risk.
Operational risk modelling: aggregating loss distributions using copulas
Capturing the dependence structure between business line/risk event types is an extremely important step for any serious attempt to model operational risk. In this article we show how this can be achieved by using a powerful statistical technique known…
Quantifying the op risk in investment fund valuation
Fund management is often forgotten in the wider push towards quantitative operational risk management. Here, François Longin and Gautier Martin take a closer look at the operational risk that accompanies fund valuation.
How to avoid overestimating capital charges for op risk
Pooling internal and external data is a central issue to estimating capital charges for operational risk. Here, Nicolas Baud, Antoine Frachot and Thierry Roncalli of Crédit Lyonnais discuss the methodology they have developed.
Basel II - Rules and Models
The proposed operational risk charge remains one of the most contentious areas of the new Basel Accord. Carol Alexander reviews the current proposals in the context of various simple models, and argues that practical implementation will require the use…