“…In a social dilemma context, the term self-efficacy is used somewhat differently, referring to judgments about whether one's contribution helps the group to secure some valued collective outcome (Kerr, 1992). Research suggests that strengthening these beliefs might promote sustainable consumption decisions at home (Gupta & Ogden, 2009;Hanss & Böhm, 2010;Hanss, Böhm, Doran, & Homburg, 2016) and on vacation (Doran et al, 2015). In their study, Doran et al (2015) found that people with a strong sense of self-efficacy (e.g.…”