China is in deep trouble; it has a total debt to GDP ratio of 282%, the highest compared to the other big gdp countries. ( http://bloom.bg/1evYSQ5 ). The housing bubble has already burst in the 3rd and 2nd tier cities in China, and the 1st tier cities are close to bursting. And the shanghai stock market is close to retracing back to 2000, since the current stock market has a p/e ratio that's 41% higher than that of U…
And the shanghai stock market is not "close to retracing back to 2000." This graph shows, it's well above that: http://www.tradingeconomics.com/charts/china-stock-market.pn...
You're assuming both a continued free-fall at the same rates and also that p/e ratios in China mean the same thing as they did for .com companies in 2000 in USA. Any market newbie will tell you that what a "normal" p/e ratio is will differ greatly by sector even within the same economy. China's may be out of whack, but it's not fair to make an arbitrary comparison.
I'm no China apologist, but making predictions of 10-20 years of decline with an authoritative tone is wrong given the facts you presented.