“…Second, we add to the literature studying social dilemmas in the field. Previous literature in this domain has focused primarily on management of common pool resources (Agrawal & Chhatre, 2006;Agrawal & Gupta, 2005;Casari & Plott, 2003;Casari & Tagliapietra, 2018;Poteete & Ostrom, 2004;Yang et al, 2013), voluntary contributions to public goods (Mitra & Gupta, 2013;Pommerehne, Feld, & Hart, 1994), honor systems (Brudermann, Bartel, Fenzl, & Seebauer, 2015;Haan & Kooreman, 2002;Pruckner & Sausgruber, 2013), and church donations (Lipford, 1995;Zaleski & Zech, 1996). Similar to our study, many of these papers examine the relationship between group size and the outcome of the social dilemma.…”