Cap-and-trade: A sufficient or necessary condition for emission reduction?

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Influenced by the success of emission trading in the US for sulphur dioxide (SO2), some economists have argued for an upstream, economy-wide cap-and-trade scheme as the primary tool for achieving the required reduction in greenhouse gas (GHG) emissions. This paper addresses that argument and concludes that cap-and-trade will need to be accompanied by complementary regulatory measures. While it is a necessary component in a climate mitigation programme, it is unlikely to be sufficient by itself to accomplish the desired emission reductions. The paper reviews the evidence on how SO2 emissions were reduced and the extent to which actual emission trading was responsible for the reduction as opposed to other innovations. It also identifies differences between the past regulation of SO2 and other air pollutants and the challenges presented by the regulation of GHG emissions. What actually happened in the US with SO2 emission trading deviated in several significant respects from what would be predicted based on the conventional theoretical analysis. While there was a dramatic reduction in SO2 emissions, it occurred because of several factors, some of which are unlikely to apply for GHG emissions, and others of which argue for an activist regulatory policy by the government as a complement to the functioning of an emissions market for GHGs.

Original languageEnglish (US)
Article numbergrq015
Pages (from-to)225-252
Number of pages28
JournalOxford Review of Economic Policy
Volume26
Issue number2
DOIs
StatePublished - Jun 2010
Externally publishedYes

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emissions trading
greenhouse gas
sulfur dioxide
emission reduction
Emission reduction
Cap and trade
Greenhouse gas emissions
Emissions trading
mitigation
innovation
market
climate
regulation
Mitigation
Climate
Factors
Theoretical analysis
Regulatory policy
Economists
Air pollutants

Keywords

  • Climate change
  • Emission trading
  • Pollution control

ASJC Scopus subject areas

  • Economics and Econometrics
  • Management, Monitoring, Policy and Law

Cite this

Cap-and-trade : A sufficient or necessary condition for emission reduction? / Hanemann, William.

In: Oxford Review of Economic Policy, Vol. 26, No. 2, grq015, 06.2010, p. 225-252.

Research output: Contribution to journalArticle

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