1 See Hartmann, P. and Smets, F., “The first 20 years of the European Central Bank: Monetary Policy”, ECB  Working Paper Series No 2219, December 2018. 2 See “The evolution of the ECB’s accountability practices during the crisis”, Economic Bulletin, Issue 5, ECB,  2018.
3 Introductory statement by Mario Draghi, President of the ECB, at the ECON committee of the European  Parliament, Brussels, 26 November 2018. 4 “Unemployment in the euro area”, speech by Mario Draghi, President of the ECB, at the Annual central bank  symposium in Jackson Hole, 22 August 2014. 4/4  BIS central bankers' speeches