“…6 Other contributions using CWT analysis include Aguiar-Conraria et al (2008), Crowley and Mayes (2008), Rua and Nunes (2009), Rua (2010Rua ( , 2012, Aguiar-Conraria and Soares (2011), Aguiar-Conraria et al (2012, 2013, Caraiani (2012), Gallegati and Ramsey (2014), Ko and Lee (2015), Marczak and Gomez (2015), and Verona (2016).…”