Restraints on bank lending, reform of credit rating agencies, how to supervise giant financial institutions - they are all big technically complex issues that will come under the microscope, probably in the follow-up to the summit.

BBC: Stability will not be rebuilt in a day

For example, the government is creating a Financial Supervision Agency to examine and supervise banks.

CNN: Misreading Japan

Citi's revised clawback policy recoups pay where executives are responsible for material financial or reputational harm, either through their own actions or in failing to supervise others.

WSJ: Banks Bow to New York on Clawbacks

Collusion, whether or not oiled by fancy meals and wads of cash, between bank inspectors and the banks they supposedly supervise has been a big reason why the rot in Japan's financial system has continued to spread since it first became apparent in the early 1990s.

ECONOMIST: In Japan, he went

But it has left itself open to attack by demanding more oversight of the financial system when critics say it did not make good use of its existing powers to supervise banks and enforce consumer-protection laws before the crisis.

ECONOMIST: From Argentina to America, politicians are taking aim