Carbon Emissions and Cost Benefit Analyses

New infrastructure projects may affect CO2 emissions and, thus, cost benefit analyses for these projects require a value to apply for CO2. This may be based on the marginal social cost of emissions or on the carbon price resulting from present and future policies. This paper argues that both approaches are necessary, but for cost benefit analysis...新型基础设施项目可能会对二氧化碳（CO₂）排放产生影响，因此针对此类项目开展成本效益分析时，需要为二氧化碳排放设定相应的核算价值。该核算价值可基于碳排放的边际社会成本，或是基于当前及未来政策所催生的碳价格。本文认为，两种方法均有必要，但在开展成本效益分析时……