France and Italy: Why the asymmetry in the reaction to the increase in fiscal deficits?

France and Italy have chosen to boost household income through an increase in the ir fiscal deficit s . This has caused a sharp rise in long-term interest rates in Italy but not in France. Why? Because French potential growth is higher and will be increased by the country’s structural reforms? Yes; Because non-residents are buying bonds from the core euro-zone countries but not from the periphery? No; Because investors are switching from Germany to France? Yes; Because some of France’s fiscal deficit in 2019 is temporary and because fiscal solvency will be ensured in France in 2020 but not in Italy? Yes, maybe.