“…Stock and Watson (2012) and Mertens and Ravn (2013) have pioneered the development of this methodology 4 Note also that there is recent debate on whether SVARs with sign restrictions are really able to identify unconventional monetary policy shocks. See Elbourne and Ji (2019) and Boeckx, Dossche, Galesi, Hofmann, and Peersman (2019). 5 For example, Gambacorta, Hofmann, and Peersman (2014) Gertler and Karadi (2015), Li and Zanetti (2016), Jarociński and Karadi (2020), Lhuissier and Szczerbowicz (2018), and Caldara and Herbst (2019).…”