Experimental methods have recently been used to evaluate environmental policy instruments, in particular – and most suitably, it seems – emissions trading programs of various designs. Some studies have focused on domestic emissions trading programs, while others have focused on international...

We present a model where each of two players chooses between remuneration based on either private or team effort. Although at least one of the players has the equilibrium strategy to choose private remuneration, we frequently observe both players to choose team remuneration in a series of...