An empirical study on the interaction between EUA futures, coal, natural gas and electricity
by Wei Lu; Hao Yin
International Journal of Green Economics (IJGE), Vol. 6, No. 1, 2012

Abstract: This paper uses a Vector Error Correction Model (VECM), a method to estimate the adjustment speed of variables toward their long-run relationship in the short run, to investigate the dynamic relationship between the prices of EUA, coal, natural gas and electricity futures. It finds that there is a long-run equilibrium relationship between them. Short-run relationships between them are also revealed by impulse response analysis. The price of electricity futures has a positive short-run response to EUA futures price shocks. It also has a positive short-run response to the price of fossil fuel futures. Price shocks in EUA futures have a significant impact on fossil fuel prices, but fossil fuel prices have a small impact on EUA futures. The effect of price shocks in EUA and coal futures on the price of peak load electricity futures is smaller than that of the price of base load electricity futures.

Online publication date: Fri, 12-Dec-2014

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