Price transmission in the EU wholesale petroleum markets

Szymon Wlazlowski*, Monica Giulietti, Jane Binner, Costas Milas

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This article employs nonlinear smooth transition models to analyze the relationship between upstream and midstream prices of petroleum products. We test for the presence of nonlinearities in price linkages using both weekly series constructed using official EU procedures and also daily industry series applied for the first time. Our results show that the estimated shape of the transition function and equilibrium reversion path depend on the frequency of the price dataset. Our analysis of the crude oil to wholesale price transmission provides evidence of nonlinearities when prices are observed with daily frequency. The nature of the nonlinearities provides evidence in support of the existence of menu costs or, more generally, frictions in the markets rather than supply adjustment costs. This result differs from that found for the U.S. petroleum markets.

Original languageEnglish
Pages (from-to)165-172
Number of pages8
JournalJournal of Business and Economics Statistics
Issue number2
Early online date24 May 2012
Publication statusPublished - 2012


  • European oil markets
  • measurement error
  • nonlinear models


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