On April 18th, the market interest rate for the French debt with a ten year maturity was 0.30%. Since the beginning of the month, it has fluctuated between 0.24% and 0.34% when the yearly inflation rate was above 1%. This exceptionally low level is the consequence, in presence of the slowing of European conjuncture and especially in Germany, of the European Central Bank decision to keep negative short-term interest rates at least until the end of the year and of the favorable appreciation by investors of the France solvability. The spread with the German bond for ...