We present an experiment on voluntary contributions to a public good. The game has a dominant strategy solution in the interior of the strategy space. In the experiment we observe significant over-contribution. This result is similar to those of the typical corner solution experiments. --...

We use a simple balanced budget contest to collect taxes on a private good in order to finance a pure public good. We show that-with an appropriately chosen structure of winning probabilities-this contest can provide the public good efficiently and without distorting private consumption. We...

National reductions of CO2 emissions as a way to manage unilaterally the use of global environmental resources can be interpreted as the noncooperative provision of an international public good. This paper analyses two basic sources of inefficiency if countries abate their emissions...