This paper investigates the ability of ambient pollution instruments to induce a group of heterogeneous agents to choose a target outcome. Six controlled laboratory sessions were conducted with heterogeneous agents facing ambient pollution instruments with lump sum or proportional fines and...

The experimental treatments analysed in this paper are simple in that there is a unique Nash equilibrium resulting in each player having a dominant strategy. However, the data show quite clearly that subjects do not always choose this strategy. In fact, when this dominant strategy is not a...