Cheap-talk and left-wing political orientation boost cooperative sustainability when politically outnumbered (opens in new tab)

Intensifying partisan animosity poses a significant challenge to sustainability. This research examined whether partisan differences in cooperative sustainability emerged in politically homogeneous and heterogeneous groups and whether non-binding communication through numerical pledges of intended behaviour (cheap-talk) could foster cooperative sustainability in an online experimental common-pool resource dilemma. American Democrats and Republicans (N = 324) were randomly allocated to politic...