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Does Concentration Matter? Measurement of Petroleum Merger Price Effects

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  • Daniel Hosken
  • Louis Silvia
  • Christopher Taylor
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    Abstract

    We have estimated the price effects of two changes in market structure resulting from two changes in the ownership of gasoline refineries in the San Francisco Bay area: Tosco's purchase of Unocal's Rodeo refinery in April 1997 and UDS's purchase of Tosco's Avon refinery in August 2000. These events provide a relatively unique opportunity to test a price concentration relationship. If market concentration is related to price, then we should observe prices increase and then decrease by a similar amount following these transactions. We do not find evidence of a consistent price concentration relationship.

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    File URL: http://www.aeaweb.org/articles.php?doi=10.1257/aer.101.3.45
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    Bibliographic Info

    Article provided by American Economic Association in its journal American Economic Review.

    Volume (Year): 101 (2011)
    Issue (Month): 3 (May)
    Pages: 45-50

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    Handle: RePEc:aea:aecrev:v:101:y:2011:i:3:p:45-50

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    References

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    1. Christopher Taylor & Jeffrey Fischer, 2003. "A Review of West Coast Gasoline Pricing and the Impact of Regulations," International Journal of the Economics of Business, Taylor & Francis Journals, vol. 10(2), pages 225-243.
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    Cited by:
    1. Duarte Brito & Pedro Pereira & Joaquim Ramalho, 2013. "Mergers, Coordinated Effects and Efficiency in the Portuguese Non-Life Insurance Industry," CEFAGE-UE Working Papers 2013_18, University of Evora, CEFAGE-UE (Portugal).

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