Every summer, central bankers and a clutch of economists gathered at Jackson Hole, the American Chamonix, in the Rocky Mountains. This time, attention was focused on Janet Yellen speech and her indications on next interest rates increases. We didn’t learn more because, following her habit, she procrastinated. But the debate about monetary policy role passed quite unnoticed. It is regrettable because it has become the main instrument of the economic policy, which is not anymore in government hands, since central banks got their independence. Highly indebted states, refusing to increase their budget deficit, relied on the decisions of their ...