Does a regional greenhouse gas policy make sense? A case study of carbon leakage and emissions spillover

Yihsu Chen

Energy Economics, 2009, vol. 31, issue 5, pages 667-675

Abstract: The Regional Greenhouse Gas Initiative (RGGI) is a state-level effort by ten northeast states in the U.S. to control CO2 emissions from the electric sector. The approach adopted by RGGI is a regional cap-and-trade program, which sets a maximal annual amount of regional CO2 emissions that can be emitted from the electric sector. However, incoherence of the geographic scope of the regional electricity market is expected to produce two undesirable consequences: CO2 leakage and NOx and SO2 emissions spillover. This paper addresses these two issues using transmission-constrained electricity market models. The results show that although larger CO2 leakage is associated with higher allowance prices, it is negatively related to CO2 prices if measured in percentage terms. On the other hand, SO2 and NOx emissions spillover increase in commensurate with CO2 allowance prices. Demand elasticity attenuates the effect of emissions trading on leakage and emissions spillover. This highlights the difficulties of designing a regional or local climate policy.

Keywords: Emissions; trading; Electric; market; CO2; leakage (search for similar items in EconPapers)
Date: 2009

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Persistent link: http://EconPapers.repec.org/RePEc:eee:eneeco:v:31:y:2009:i:5:p:667-675

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