"Prosperity and depression" a book collection of the fisher of the "Great Recession" of 1929. He believes that the times of economic crisis of the great depression, nine factors reflect -- excessive debt, the quantity of money and the price level, net value, profit, production, trade and employment, optimism or pessimism, velocity and interest rates. He put forward the basic reason of the crisis, the rescue measures and preventive measures for the crisis.. His theory still seems to have a value today.

Resource:http://fddi.fudan.edu.cn/index.php?c=research&a=show&rid=393