“…The most common way of approaching to environmental proactivity in the existing literature is through quantitative studies based on surveys or interviews (Aragón-Correa, 1998;King & Lenox, 2001;Melnyk et al, 2003;Buysse & Verbeke, 2003;González-Benito & González-Benito, 2005;Dias-Sardinya & Reijnders, 2005;Sharfman, 2008;Aragón-Correa et al, 2008;Darnall et al, 2008;Murillo-Luna et al, 2008;Piñeiro-García et al, 2009;Darnall et al, 2010;Martín-Tapia et al, 2010;Haddock-Fraser & Tourelle, 2010;Delmas et al, 2011;Clarkson et al, 2011;Segarra, 2011a, Lopez-Gamero et al, 2011. Statistical studies confirm the relationship between different factors, but do not explain the origin and the causes of these relationships (González-Benito & González-Benito, 2010).…”