The only hope is that the stimulation of demand will also stimulate supply

Many OECD countries are conducting stimulatory economic policies (fiscal, monetary, wage) while they are at full employment ( while unemployment is close to structural unemployment: United States, France, Italy, Japan). Stimulating demand when unemployment is close to the structural unemployment normally makes no sense, as production capacity cannot respond to the stimulation of demand. The only hope is that the stimulation of demand will lead to stimulation of supply, for example because it drives companies to become more efficient. This can be seen currently in the United States, and to a lesser extent in Japan, but not in the other countries (France and Italy).