The glorious Forties are well finished, that period during which developed countries economies had enjoyed prices stability. At the end of this 2022 year, inflation in all these countries, to the exception of China and Japan, will have reached between 7 and 11%, France being for one time the good pupils, ranked among the better with at the end of October, a harmonized rate of 7.1% following the European rules and 6.2% following its national definition. That long period had not yet been exempted of financial crisis, the three re-alignments of the Franc inside the European Monetary System ...