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Carbon Prices and Fuel Switching: A Quasi-experiment in Electricity Markets

机译:碳价与燃料转换:电力市场的一项准实验

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摘要

Within the Pennsylvania-New Jersey-Maryland electricity market, Delaware and Maryland participate in the Regional Greenhouse Gas Initiative (RGGI) but other states do not, providing a quasi-experimental setting to study the RGGI program. Using a difference-in-difference framework, we find that, overall the RGGI program led to 6.22 million short tons of CO2 reduction per year in Delaware and Maryland, or about 19.10% of the average total potential annual emissions in these two states from 2009 to 2013. Counterintuitively however, the reduction is mainly achieved through reduction of coal inputs and emission leakage instead of fuel switching from coal to natural gas or from fossil fuel (coal and natural gas) to non-fossil fuel.
机译:在宾夕法尼亚州-新泽西州-马里兰州的电力市场中,特拉华州和马里兰州参加了区域温室气体倡议(RGGI),但其他州没有加入,为研究RGGI计划提供了一个准实验环境。使用差异框架,我们发现,RGGI计划总体上导致特拉华州和马里兰州每年减少622万吨二氧化碳,约占自2009年以来这两个州年均潜在总排放量的19.10%到2013年。然而,与直觉相反,减少主要是通过减少煤炭投入和排放泄漏实现的,而不是将燃料从煤炭转换为天然气或从化石燃料(煤炭和天然气)转换为非化石燃料。

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