The cost of carbon dioxide abatement from state renewable portfolio standards

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• 作者：Erik Paul Johnson ; ^{erik.johnson@econ.gatech.edu" class="auth_mail}
• 关键词：Q28 ; Q42 ; Q52 ; Q58
• 刊名：Resource and Energy Economics
• 出版年：May, 2014
• 年：2014
• 卷：36
• 期：2
• 页码：332-350
• 全文大小：944 K

文摘

Renewable portfolio standards (RPSs) have become a popular tool for state governments to promote renewable electricity generation and to decrease carbon dioxide emissions within a state or region. Renewable portfolio standards are a policy tool likely to persist for many decades due to the long term goals of many state RPSs and the likely creation of a federal RPS alongside any comprehensive climate change bill. Even though RPSs have become a popular policy tool, there is little empirical evidence about their costs. Using the temporal and regional variation in RPS requirements, I estimate the long-run price elasticity of supply of renewable electricity generation to be 2.67 (95% CI of 1.74, 3.60). Using my preferred elasticity estimate, I calculate the marginal cost of abatement from RPSs is at least $11 per ton of CO₂ compared to a marginal cost of abatement of $3 per ton in the Regional Greenhouse Gas Initiative.