Cutting Edge introduction: systematic systematic factor models

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Financial models are often accused of being artificial and out of touch with real, underlying economics. It’s time for quants to take seriously the workings of the engine, critics say – rather than polishing the mathematical chassis. 

Credit risk is one area where this was famously the case. Default times were said to be driven by systematic and idiosyncratic factors, with a co-dependence structure provided by a copula function. This did not go well for the industry in 2008, when systematic

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Credit risk & modelling – Special report 2021

This Risk special report provides an insight on the challenges facing banks in measuring and mitigating credit risk in the current environment, and the strategies they are deploying to adapt to a more stringent regulatory approach.

The wild world of credit models

The Covid-19 pandemic has induced a kind of schizophrenia in loan-loss models. When the pandemic hit, banks overprovisioned for credit losses on the assumption that the economy would head south. But when government stimulus packages put wads of cash in…

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