“…However, the majority of existing reports are in the form of news media (Economist, 2008;James, 2009), commentaries or editorials (Budiani-Saberi & Delmonico, 2008;Delmonico, 2009;Jacek, 2012), perspectives, briefs, or conceptual papers (Caballero-Danell & Mugomba, 2007;Heung, Kucukusta, & Song, 2010;Smith & Forgione, 2007), reviews (Behrmann & Smith, 2010;Caballero-Danell & Mugomba, 2007;Carrera & Bridges, 2006;Crooks et al, 2010;George, Henthorne, & Williams, 2010;Heung et al, 2010;Lunt & Carrera, 2010;Lunt et al, , 2012Pennings et al, 2009), and case studies (Kangas, 2010;Moghimehfar & Nasr-Esfahani, 2011;NaRanong & NaRanong, 2011;Schiano & Rhodes, 2010). Relatively few empirical studies have been reported (Blyth, 2010;Canales, Kasiske, & Rosenberg, 2006;Karuppan & Karuppan, 2010Pennings et al, 2009;Satjapot, Johnson, & Garman, 2011;Shenfield et al, 2010;Tsai et al, 2011).…”