Economic uncertainties have prompted American policy-makers to withdraw U.S. involvement in the Kyoto Treaty. But interestingly, some U.S. companies are taking advantage of the present lack of a mandatory U.S. GHG emission reduction program to set targets at their own pace and in their own way;...

The Paris Agreement aims at limiting the global average temperature increase to well below 2°C above preindustrial levels. A key component of the agreement are "nationally determined contributions" (NDC). For this, non-state actors such as civil society groups, economic actors, and subnational...

This paper investigates how the introduction of social preferences affects players’ equilibrium behavior in both the one-shot and the infinitely repeated version of the Prisoner’s Dilemma game. We show that fairness concerns operate as a ”substitute” for time discounting in the...