“…Also, several studies in the experimental and behavioral economics literature concern climate change, offering important insights regarding the behavior of individuals and nations regarding climate change (specifically, Brekke and Johansson-Stenman 2008). Such results are related to the effect of conditional cooperation (e.g., Gächter 2007;Fischbacher, Gächter, and Fehr 2001), reciprocity (e.g., Falk and Fischbacher 2006;Fehr and Gächter 2000b), and trust (e.g., Gächter, Herrmann, and Thöni 2004).…”