Guest Post: The IMF On China's Over-Investment

Authored by Michael Pettis, originally posted at China Financial Markets, The IMF’s Il Houng Lee, Murtaza Syed, and Liu Xueyan have published a very interesting and widely noticed study called “Is China Over-Investing and Does it Matter?” In it they argue that there is strong evidence that China is overinvesting significantly. According to the abstract: Now close to 50 percent of GDP, this paper assesses the appropriateness of China’s current investment levels. It finds that China’s capital-to-output ratio is within the range of other emerging markets, but its economic growth rates stand out, partly due to a surge in investment over the last decade. Moreover, its investment is significantly higher than suggested by cross-country panel estimation.   This deviation has been accumulating over the last decade, and at nearly 10 percent of GDP is now larger and more pe...