“…The Swiss case has been studied extensively (see for example Kriesi, 2005;Sciarini and Tresch, 2011), but analysis from other countries (see Burnett and McCubbins, 2014for California, de Vreese and Semetko, 2004for Denmark, Schoen, 2013, Schoen et al, 2011aGarry et al, 2005, Marsh, 2007for Ireland, Neijens et al, 2007 for the Netherlands, Renwick and Lamb, 2013 for the UK) as well as comparative research has also been conducted extensively (especially on referendums in the context of the European Union; see for example Hobolt (2005) as well as de Vreese (2007) and the chapters there). Existing research on referendum campaigns shows that campaigns and campaign information matter.…”