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Integration and convergence in European electricity markets

Integration and convergence in European electricity markets This paper investigates the degree of integration among markets using wholesale electricity prices, which arises from the link between the long-run dynamics of fuel prices and electricity prices. We address the question of whether European electricity markets have experienced convergence patterns in recent years, using the stochastic definitions of convergence and common trend based on cointegration analysis. We apply a vector error correction model to a representative sample of electricity spot prices of European markets, including those of Italy, France, the Netherlands, Poland, and the integrated market of Germany and Austria. We analyze both the long- and the short-run system properties, studying their persistence profiles. The short-run analysis reveals the non-significance of adjustment coefficients of the market prices in the Netherlands and Poland. Moreover, the Netherlands Granger causes Poland and the integrated market of German and Austria, but the reverse is not true. A unidirectional Granger causality is also found for France and Germany and Austria toward Italy. Given the cointegrating equilibrium, all country-specific price dynamics converge toward the steady state, but most of the exogenous shocks have permanent effects. Forecast error variance decomposition analysis clearly highlights that orthogonalized shocks largely affect the variance of neighboring markets. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Economia Politica" Springer Journals

Integration and convergence in European electricity markets

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References (52)

Publisher
Springer Journals
Copyright
Copyright © Springer Nature Switzerland AG 2019
Subject
Economics; Economic Policy; International Political Economy
ISSN
1120-2890
eISSN
1973-820X
DOI
10.1007/s40888-019-00163-7
Publisher site
See Article on Publisher Site

Abstract

This paper investigates the degree of integration among markets using wholesale electricity prices, which arises from the link between the long-run dynamics of fuel prices and electricity prices. We address the question of whether European electricity markets have experienced convergence patterns in recent years, using the stochastic definitions of convergence and common trend based on cointegration analysis. We apply a vector error correction model to a representative sample of electricity spot prices of European markets, including those of Italy, France, the Netherlands, Poland, and the integrated market of Germany and Austria. We analyze both the long- and the short-run system properties, studying their persistence profiles. The short-run analysis reveals the non-significance of adjustment coefficients of the market prices in the Netherlands and Poland. Moreover, the Netherlands Granger causes Poland and the integrated market of German and Austria, but the reverse is not true. A unidirectional Granger causality is also found for France and Germany and Austria toward Italy. Given the cointegrating equilibrium, all country-specific price dynamics converge toward the steady state, but most of the exogenous shocks have permanent effects. Forecast error variance decomposition analysis clearly highlights that orthogonalized shocks largely affect the variance of neighboring markets.

Journal

"Economia Politica" – Springer Journals

Published: Jul 14, 2020

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