Carbon market: Systematic risk and expectations of returns-on the comparison analysis of the CDM and EU ETS

Bao-Jun Tang and Cheng Shen

No 49, CEEP-BIT Working Papers from Center for Energy and Environmental Policy Research (CEEP), Beijing Institute of Technology

Abstract: The paper uses Capital Asset Pricing Model (CAPM) to analyze the market risk in European Union Emission Trading System (EU ETS) and Clean Development Mechanisms (CDM) and Zipf analysis technology to analyze the carbon price volatility in different expectations of returns in the two markets. The results show that the systematic risk of the EU ETS market is at around 0.07%, but CDM market is clearly divided into two stages, the systematic risk of the futures contracts in the previous stage (DEC09-DEC12) is less than EUETS market, but systematic risk of the futures contracts that entered into the market is greater than the EUETS market and has a higher market sensitivity. But on the unsystematic risk, the CDM market is always greater than the EU ETS market. Abnormal returns in the two carbon markets are both lower than 0.02%, but CDM is higher. The probability of price down is higher than that of price up. Carbon price is affected by market mechanism and the external factor (economic crisis and environmental policies) in the low expectations of returns, but in the high expectations of returns, compared with the CDM market, the carbon price change in EU ETS market is more instable and higher risky.

Keywords: European Union Emission Trading System (EU ETS); Clean Development Mechanisms (CDM); Systematic Risk; Expectations of Returns (search for similar items in EconPapers)
JEL-codes: C10 (search for similar items in EconPapers)
Pages: 15 pages
Date: 2014-01
New Economics Papers: this item is included in nep-ene and nep-env
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