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“One more lie: the ‘Monday effect’ in Spain’s retail petrol market”

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  • Juan Luis Jiménez

    ()
    (Universidad de Las Palmas de Gran Canaria)

  • Jordi Perdiguero

    ()
    (Universitat Autònoma de Barcelona)

Abstract

Empirical evidence drawn from the economic literature points to a low level of competition in the retail petrol market. Similar evidence can be found for the Spanish market. In fact, both Spain’s antitrust authority (Comisión Nacional de la Competencia) and its energy regulator (Comisión Nacional de la Energía) have recently initiated disciplinary proceedings against the majors on the grounds of suspected price manipulation in the retail petrol market. They are accused of cutting retail prices on Mondays so as to distort the rank position of Spain in European Union statistics in a practice that has received the name of the ‘Monday effect’. Here, we analyze this effect by constructing a database that includes daily retail prices for all petrol stations in Spain in the period 2009-2012, and a more detailed database for the city of Barcelona in 2013. Our estimations confirm that: i) in 2011 and 2012 prices fell on Mondays at retailers branded by majors; ii) prices were unchanged at stations in our two control groups; iii) prices were also seen to fall when a more detailed analysis was conducted, and this price cut was also found in 2013. In short, one more indicator of collusion in this sector and … one more lie.

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File URL: http://www.ub.edu/irea/working_papers/2013/201324.pdf
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Bibliographic Info

Paper provided by University of Barcelona, Research Institute of Applied Economics in its series IREA Working Papers with number 201324.

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Length: 25 pages
Date of creation: Dec 2013
Date of revision: Dec 2013
Handle: RePEc:ira:wpaper:201324

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Postal: Tinent Coronel Valenzuela, Num 1-11 08034 Barcelona
Web page: http://www.ub.edu/irea/
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Related research

Keywords: Petrol; Antitrust; Monday effect. JEL classification: L13; L59; L71.;

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  1. Ignacio Contin & Aad Correlje & Emilio Huerta, 1999. "The Spanish Gasoline Market: From Ceiling Regulation to Open Market Pricing," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4), pages 1-14.
  2. Juan Jiménez & Jordi Perdiguero, 2012. "Does Rigidity of Prices Hide Collusion?," Review of Industrial Organization, Springer, vol. 41(3), pages 223-248, November.
  3. Juan Jiménez & Jordi Perdiguero, 2011. "Does Accessibility Affect Retail Prices and Competition? An Empirical Application," Networks and Spatial Economics, Springer, vol. 11(4), pages 677-699, December.
  4. Perdiguero García, Jordi, 2010. "Dynamic pricing in the spanish gasoline market: A tacit collusion equilibrium," Energy Policy, Elsevier, vol. 38(4), pages 1931-1937, April.
  5. Bello, Alejandro & Cavero, Sandra, 2008. "The Spanish retail petroleum market: New patterns of competition since the liberalization of the industry," Energy Policy, Elsevier, vol. 36(2), pages 612-626, February.
  6. Joseph J. Doyle, Jr. & Erich Muehlegger & Krislert Samphantharak, 2008. "Edgeworth Cycles Revisited," NBER Working Papers 14162, National Bureau of Economic Research, Inc.
  7. Valadkhani, Abbas, 2013. "Seasonal patterns in daily prices of unleaded petrol across Australia," Energy Policy, Elsevier, vol. 56(C), pages 720-731.
  8. Matthew S. Lewis, 2009. "Temporary Wholesale Gasoline Price Spikes Have Long-Lasting Retail Effects: The Aftermath of Hurricane Rita," Journal of Law and Economics, University of Chicago Press, vol. 52(3), pages 581-605, 08.
  9. Maskin, Eric & Tirole, Jean, 1988. "A Theory of Dynamic Oligopoly, II: Price Competition, Kinked Demand Curves, and Edgeworth Cycles," Econometrica, Econometric Society, vol. 56(3), pages 571-99, May.
  10. Øystein Foros & Frode Steen, 2013. "Vertical Control and Price Cycles in Gasoline Retailing," Scandinavian Journal of Economics, Wiley Blackwell, vol. 115(3), pages 640-661, 07.
  11. Zhongmin Wang, 2009. "(Mixed) Strategy in Oligopoly Pricing: Evidence from Gasoline Price Cycles Before and Under a Timing Regulation," Journal of Political Economy, University of Chicago Press, vol. 117(6), pages 987-1030, December.
  12. Andrew Eckert, 2013. "Empirical Studies Of Gasoline Retailing: A Guide To The Literature," Journal of Economic Surveys, Wiley Blackwell, vol. 27(1), pages 140-166, 02.
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