In order to fit multivariate risk models an exploratory analysis was initially applied.

A tactical risk model we have started to turn negative two months ago.

In short, it measures compliance to a technical risk model.

But some scientists questioned its results, particularly because it was based on risk models, and not extensive testing.

In short, the risk models added to systemic risk.

This explains how the risk models made the entire system more risky.

He also explains what's wrong with risk models and, in a Comment for the magazine, why financial reform alone will not prevent future meltdowns.

It's a higher reward, lower risk model which is becoming more effective as time moves forward.

What is needed, he says, is "a whole new risk model."

Socioeconomic differences in recall or reporting of hospitalization, for instance, could influence the risk model.