Japan's economy was seen as something of a juggernaut in the post World War II era, with growth averaging about 10% during the 1950s and 60s. Yet, in subsequent decades, with a stock market crash, and the bursting of a real estate bubble, Japan entered a period of stagnation and deflation, from which it is only now emerging. What drove Japan's rapid post-war growth? Why did growth stall, and reverse? And are there lessons from the Japanese experience relevant to the U.S. economy today? Paul S...