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| 1 |
ID:
133213
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2014.
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| Summary/Abstract |
This paper estimates the relationships between bidding quantities, marginal cost and market power measures in the Spanish wholesale electricity market for two different regulatory periods: 2002-2005 and 2006-2007. Using panel econometric techniques we find differences in the impacts on bidding strategies for both periods. Hence, the marginal cost and the market power measures affect bid and net quantities. The market power measures also suggest that the coefficient is consistently positive and highly significant for both periods.
Moreover, the market power and marginal costs have mixed effects according to the models proposed for both periods. In addition, our results point to the effectiveness of the different effects of mitigating the market power in the Spanish electricity market. For the 2006-2007 period, the proposed causal relationships are partially validated by the cointegration results, which assumes there is a significant causality between the Lerner Index and the marginal cost.
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| 2 |
ID:
124437
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| Publication |
2013.
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| Summary/Abstract |
The paper analyzes the electricity saving potential of nonferrous metals industry in China. The cointegration method is applied to estimate electricity intensity of Chinese nonferrous metals industry, in an effort to predict future electricity saving potential. The results show that there is a long-run equilibrium between electricity intensity and factors such as R&D intensity, industrial electricity price, enterprise scale, and labor productivity. By means of scenario analysis, we evaluate different possible measures that might be adopted to narrow down the electricity efficiency gap between nonferrous metals industry in China and that of Japan. The results indicate that more active electricity conservation policies are needed in order to reduce the electricity intensity of Chinese nonferrous metals industry. We also find that the electricity efficiency gap could be significantly narrowed by 2020 if proper electricity conservation policy is adopted. Finally, based on the results of the scenario analysis, future policy priorities are suggested.
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