Internal ratings-based (IRB) approach
Norinchukin trims slotting approach reliance, expands A-IRB scope
Bank’s models recover ground after Basel III curtailing
Credit loss database reveals holes in Basel’s IRB formula
Researcher has used two decades of data to propose improved internal model methodology
Why the survival of internal models is vital for financial stability
Risk quants say stampede to standardised approaches heightens herding and systemic risks
Looming US Basel endgame redraft sparks calls to save IRB
Experts say 20 years of data makes credit risk models more appropriate than standardised approach
IRB reliance peaks at over 90% for some lenders ahead of Basel III shift
As reforms loom, IRB usage spans from marginal to near-total among European banks
Consolidation of Arval exposures adds €20bn to BNP Paribas’ RWAs
Bank shifts exposures from soon-to-be retired equity IRB treatment to standardised approach
Russian loan liquidation lifts RBI’s risk density
Cash parked at sanctioned central bank carries higher capital requirements than original loans
Nordea’s credit RWAs surge €19bn as ECB approves new retail models
Revised risk-weightings for mortgages drive sharp rise in credit risk
Nine jurisdictions yet to finalise Basel III rules
Turkey and South Africa worst laggards, with no final drafts published