IT IS like storm-proofing a building with a paper towel. From 2015, the world鈥檚 banks will be , to prevent a repeat of the 2008 banking crisis. But economists say the rules will make little difference.
of the Mexican Central Bank endorses the move but says it doesn鈥檛 allow for the fact that bad debts can spread through the economy and take down many banks at once. This was at the heart of the 2008 crisis. 鈥淵ou have to incorporate contagion.鈥�
of the University of Bath, UK, has modelled the effects of such rules and found they barely reduce this risk ().
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Many economists say what鈥檚 needed is a system that can also identify threats ahead of time.
