During 2023 4th quarter, productivity inside European Union has fallen by 1.2% when it had increased in the United States by 2.6%. In France, the government forecasts a very low growth, between 0 and 0.5% until 2027. Per capita, it had only increased between 2010 and 2023 by 5% and had dived between 2019 and 2023 by 6%. Well, the increase of the productivity is a determining factor of growth, of level of life and of enterprises good health. It is that which has been at the heart of the economic revolutions during these last two centuries ...