Scandinavian Working Papers in Economics
Working Papers,
Copenhagen Business School, Department of Economics
No 3-2020: Electricity Market Integration, Decarbonisation and Security of Supply: Dynamic Volatility Connectedness in the Irish and Great Britain Markets
Hung Do (), Rabindra Nepal () and Tooraj Jamasb ()
Additional contact information
Hung Do: School of Economics and Finance, Massey University, New Zealand
Rabindra Nepal: School of Accounting, Economics and Finance & Centre for Contemporary Australasian Business and Economics Studies (CCABES), University of Wollongong
Tooraj Jamasb: Department of Economics, Copenhagen Business School, Postal: Copenhagen Business School, Department of Economics, Porcelaenshaven 16 A. 1. floor, DK-2000 Frederiksberg, Denmark
Abstract: This study investigates the volatility connectedness between the Irish and Great Britain electricity markets and how it is driven by changes in energy policy, institutional structures and political ideologies. We assess various aspects of this volatility connectedness including static (unconditional) vs dynamic (conditional), symmetric vs asymmetric characteristics between 2009 and 2018. We find that volatility connectedness is time varying and is significantly affected by important events, policy reforms or market redesigns such as Brexit, oil price slump, increasing share of renewables, and fluctuations in the exchange rates. Our asymmetric analysis shows that the magnitude of the good volatility connectedness is marginally larger than that of the bad volatility connectedness. Our result suggests that good volatility levels would be even higher once the Irish market adopts the carbon price floor. Therefore, supporting renewable generation by setting an appropriate carbon price in interconnected wholesale electricity markets will improve market integration.
Keywords: market integration; electricity; renewable; energy policy; volatility
31 pages, February 1, 2020
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