The most significant change occurred during the last twenty years on the economic scene has been the growing importance, not to say the omnipresence, taken by central banks. We are watching, every quarter, what the Federal Reserve is about to decide regarding interest rates, we relied on ECB to save euro, Shinzo Abe has put all his hopes on Bank of Japan to boost the economy which is stagnating for twenty years and, in Beijing, Governor Xiaochuan decisions are considered as being at the origin of the disorders which have affected Shanghai stock exchange and which had impacts on the ...