“…Because emotions serve to inform the mind's predictions regarding adaptive behavior, we suspected that gratitude, given its links to increased cooperation and self-control (DeSteno, Li, Dickens, & Lerner, 2014;DeSteno, Duong, Lim, & Kates, 2019;DeSteno, Bartlett, Baumann, Williams, & Dickens, 2010;Smith, Pederson, Forster, McCullough, & Lieberman, 2017), might Gratitude and Resource Use 4 serve to combat the tendency to increase resource extraction in the face of other people's selfish behavior. That is, feelings of gratitude, even when incidental to the decision at hand, might nudge people toward decisions that, if widely enacted, would reduce the tendency to deplete publicly available resources.…”