This article presents experimental tests of a linear and a nonlinear ambient tax mechanism that involve modest information requirements for the regulator. When agents are not allowed to communicate, both tax mechanisms result in emission levels that approximate the social optimum. When agents...

This article considers whether communication can improve the efficacy of incentive mechanisms designed to correct the problem of moral hazard in groups. In particular, we use experimental economics methods to study environmental targeting instruments proposed by Segerson (1988) for regulating a...