We use a stochastic dynamic framework to compare price collars (price ceilings and floors) in a cap-and-trade system with uncertainty in the level of baseline emissions and costs. We consider soft collars, which provide limited volume of additional emission allowances (a reserve) at the price...

The U.S. Environmental Protection Agency's (EPA) proposed greenhouse gas (GHG) performance standards for power plants are an important step forward in regulating GHGs in terms of both their substantive impact and legal precedent. Nevertheless, we have some concerns with the proposal, which we...

National and subnational economies have started implementing carbon pricing systems unilaterally, from the bottom up. Therefore, the potential linking of individual cap-and-trade programs to capture efficiency gains and other benefits is of keen interest. This paper introduces a two-tiered...