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Incentives and Coordination in Vertically Related Energy Markets

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  • Augusto Rupérez Micola
  • Albert Banal Estañol
  • Derek W. Bunn

Abstract

We present an agent-based model of a multi-tier energy market including gas shippers, electricity generators and retailers. We show how reward interdependence between strategic business units within a vertically integrated firm can increase its profits in oligopolistic energy markets. The effects are shown to be distinct from those of the raising rivals’ costs model. In our case, higher prices relate to the nature of energy markets, which facilitate the emergence of financial netback effects. ZUSAMMENFASSUNG - (Anreize und Koordination in vertikal integrierten Energiemärkten) Es wird ein Agenten-basiertes Modell eines Energiemarktes mit mehreren Ebenen der Wertschöpfungskette vorgestellt, das Gaslieferanten, Stromerzeuger und Händler berücksichtigt. Es kann gezeigt werden, wie ein vertikal integriertes Unternehmen, das auf oligopolistischen Energiemärkten agiert, die Honorierungsbeziehungen zwischen strategischen Geschäftsbereichen nutzen kann, um seine Gewinne zu steigern. Üblicherweise versuchen Firmen, die die gesamte Wertschöpfungskette integriert haben, ihren Vorteil dadurch zu nutzen, dass sie die Kosten der Wettbewerber durch Preisdiskriminierung erhöhen und den Markt gegen sie abschotten. Das ist in Energiemärkten nicht möglich. Im vorgestellten Modell wird ein Mechanismus gewählt, der den Charakteristika von Energiemärkten angepasst ist, um über Anreize denselben Endeffekt zu erzielen. Dieser beruht aber nicht auf der Marktabschottung, sondern auf einem finanziellen Valorisierungseffekt, bei dem Unternehmensbereiche am Beginn der Wertschöpfungskette die Preisspannen für die Unternehmensteile am oberen Ende vorgeben.

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Bibliographic Info

Paper provided by Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG) in its series CIG Working Papers with number SP II 2006-02.

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Length: 17 pages
Date of creation: Jan 2006
Date of revision:
Handle: RePEc:wzb:wzebiv:spii2006-02

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Keywords: Agent-based modeling; energy markets; reward interdependence;

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References

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Citations

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Cited by:
  1. Albert Banal-Estañol & Augusto Rupérez-Micola, 2010. "Are Agent-based Simulations Robust? The Wholesale Electricity Trading Case," Working Papers 443, Barcelona Graduate School of Economics.
  2. Augusto Rupérez-Micola & Albert Banal-Estañol, 2007. "Composition of electricity generation portfolios, pivotal dynamics and market prices," Economics Working Papers 1083, Department of Economics and Business, Universitat Pompeu Fabra.
  3. Anke Weidlich & Daniel Veit, 2008. "Agent-Based Simulations for Electricity Market Regulation Advice: Procedures and an Example," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), Justus-Liebig University Giessen, Department of Statistics and Economics, vol. 228(2+3), pages 149-172, June.
  4. Azadeh, A. & Skandari, M.R. & Maleki-Shoja, B., 2010. "An integrated ant colony optimization approach to compare strategies of clearing market in electricity markets: Agent-based simulation," Energy Policy, Elsevier, vol. 38(10), pages 6307-6319, October.
  5. Giorgio Fagiolo & Andrea Roventini, 2008. "On the Scientific Status of Economic Policy: A Tale of Alternative Paradigms," LEM Papers Series 2008/03, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
  6. Safarzynska, Karolina & van den Bergh, Jeroen C.J.M., 2011. "Industry evolution, rational agents and the transition to sustainable electricity production," Energy Policy, Elsevier, vol. 39(10), pages 6440-6452, October.
  7. Banal-Estañol, Albert & Rupérez Micola, Augusto, 2011. "Behavioural simulations in spot electricity markets," European Journal of Operational Research, Elsevier, vol. 214(1), pages 147-159, October.
  8. Weidlich, Anke & Veit, Daniel, 2008. "A critical survey of agent-based wholesale electricity market models," Energy Economics, Elsevier, vol. 30(4), pages 1728-1759, July.

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