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Carbon Charges in Electricity Markets with Strategic Behavior and Transmission

Anthony Downward

Year: 2010
Volume: Volume 31
Number: Number 4
DOI: 10.5547/ISSN0195-6574-EJ-Vol31-No4-7
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Abstract:
We examine the effect of introducing a carbon charge on electricity gen�eration. We model this by way of a two generator Cournot game over a two node electricity network. We find that within the electricity system, emissions of carbon dioxide can increase after a carbon charge is introduced.



Swapping Generators' Assets: Market Salvation or Wishful Thinking?

Anthony Downward, David Young, and Golbon Zakeri

Year: 2011
Volume: Volume 32
Number: Number 2
DOI: 10.5547/ISSN0195-6574-EJ-Vol32-No2-2
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Abstract:
The idea of rearranging generation assets amongst firms to improve competition has once again surfaced in a recent report on improvements to the New Zealand Electricity Market. We present counterexamples to show that rearranging assets, either with asset divestiture to a new firm, or asset swaps between existing firms, may actually reduce competition in electricity markets. Our examples emphasize features that are particular to electricity, such as seasonality and transmission constraints. These results warn that applying economic rules of thumb to electricity markets may lead to erroneous conclusions.





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