Chinese surveillance camera
The Chinese national flag flies behind security cameras on Tiananmen Square on June 4, 2012 on the 23rd anniversary of China's crackdown of democracy protests in Beijing.
  • China has faced many economic problems this year, from deflation and record youth unemployment to a property crisis.
  • But now, an even more worrisome threat is emerging: the colossal hidden debt of China's local governments.
  • Some estimates put the liabilities of China's local financing vehicles close to $10 trillion.

For some time now, markets have been buffeted almost on a daily basis by gloomy economic news filtering out of China.