A more detailed set of articles about this are in a large spread from The Economist a little while back: http://www.economist.com/node/21552901 http://www.econ

A more detailed set of articles about this are in a large spread from The Economist a little while back: http://www.economist.com/node/21552901 http://www.economist.com/node/21552901 Considering the boldness of the economic claims, it fills in a little more background and necessary information to make this claim believable.