Modelling Realized Volatility in Electricity Spot Prices: New insights and Application to the Japanese Electricity Market

Aitor Ciarreta, Peru Muniainy and Ainhoa Zarraga

ISER Discussion Paper from Institute of Social and Economic Research, Osaka University

Abstract: The paper analyzes volatility of the electricity prices in the Japanese day-ahead market using realized volatility. We use several jump tests to decompose total realized variation into jump and continuous components. Then, we estimate several HAR models that show the time-dependence structure of the volatility. Our results show that even though that market is narrow, it is relevant to identify jumps in volatility. Besides, modelling residuals improve estimation results. The time-dependent structure of the prices is present in volatility as well.

Date: 2017-02
New Economics Papers: this item is included in nep-ene and nep-reg
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:dpr:wpaper:0991

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