Victor Shih of Northwestern University warns that the 8000 financing vehicles used by China's local governments to stretch credit limits have built debts and commitments of $US3500 billion, mostly linked to infrastructure. He says the banks may require a bailout nearing $US500 billion. (http://www.brisbanetimes.com.au/business/china-may-threaten-but-its-muscle-is-illusory-20100315-q9s1.html)