Transaction costs and risk have generally not been taken into account in assessing the Kyoto mechanisms JI, CDM and emissions trading. However, they can have a significant influence. With regard to the project-based mechanisms, the factor that most determines the influence of transaction costs...

The purpose of the paper is to review the recent empirical literature relating to the quantification and valuation of the human health impacts of air pollution, hazardous chemicals, and unsafe water and sanitation, and their use in cost-benefit analysis, as an input to environmental policy...