"Bailing out the financial system may sow the seeds for a future economic and political crisis, " said Jon Danielsson at London School of Economics.

BBC: Would a $700bn bail-out end the crisis?

There is also still a danger that it will turn out that there is something else toxic in the system that will keep the crisis going, but Jon Danielsson doubts that.

BBC: Would a $700bn bail-out end the crisis?