"The first is to re-think and innovate the business model. The second is developing new intelligence that enables financial institutions make informed judgments and become more client-centric.
"The third and final imperative is the need to integrate various types of risk into an overall integrated risk management framework."
He said banks should use technology to calculate credit risks of customers. Banks that carry out poor credit risk calculations often see non-performing loans going up, especially during a recession when job losses climb.
In 2008 global banks wrote-off billions of dollars mainly from US housing loans going bad.
Most banks have large exposures in the housing market which is the worse hit during a recession as asset values take