Letter from the ECB President to Mr Jean-Lin Lacapelle, MEP, on monetary policy https://www.ecb.europa.eu/pub/pdf/other/ecb.mepletter220916_lacapelle~12beafeb50.en.pdf (EN) https://www.ecb.europa.eu/pub/pdf/other/ecb.mepletter220916_lacapelle~12beafeb50.fr.pdf (FR)