This paper analyses the incentives to participate in and the stability of international climate coalitions. Using the integrated assessment model WITCH, the analysis of coalitions' profitability and stability is performed under alternative assumptions concerning the pure rate of time preference,...

This paper considers the environmental policy and welfare implications of a merger between environment firms (i.e., firms managing environmental resources or supplying pollution abatement goods and services). The traditional analysis of mergers in Cournot oligopolies is extended in two ways....

In this partial equilibrium and static model, the impact of environmentalism on two countries' environmental policies is presented. First, the only (indirect) way environmentalists influence the choice of pollution taxes is through a negative term in the welfare function in Home. It is defined...