“…Thus, a growing literature is focused on assessing the effectiveness of the ECB's unconventional monetary actions, covering topics ranging from the impact on sovereign bond interest to the impact on expectations and investor sentiment. Creel, Hubert, and Viennot (2016), Horvath, Kotlebova, and Siranova (2018), Eser and Schwaab (2016) and Jäger and Grigoriadis (2017) studied the effects on interest rate channel, both in terms of monetary markets and sovereign bond yields; Gambacorta, Hofmann, and Peersman (2014), Boeckx, Dossche, and Peersman (2017), Gambetti and Musso (2017), Burriel and Galesi (2018) and Conti, Neri, and Nobili (2017) focused on the impact of the ECB's unconventional policy on economic activity and prices evolution. Even Galariotis, Makrichoriti, and Spyrou (2018) and Lutz (2015) assessed the role that unconventional monetary policy played in expectations and investor sentiment.…”