An I(2) analysis of inflation and the markup

Anindya Banerjee, Lynne Cockerell, Bill Russell

    Research output: Working paperDiscussion paper

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    An I(2) analysis of Australian inflation and the markup is undertaken within an imperfect competition model. It is found that the levels of prices and costs are best characterised as integrated of order 2 and that a linear combination of the levels (which may be defined as the markup) cointegrates with price inflation. From the empirical analysis we obtain a long-run relationship where higher inflation is associated with a lower markup and vice versa. The impact in the long-run of inflation on the markup is interpreted as the cost to firms of overcoming missing information when adjusting prices in an inflationary environment.
    Original languageEnglish
    PublisherUniversity of Dundee
    Publication statusPublished - 2000

    Publication series

    NameDundee Discussion Papers in Economics
    PublisherUniversity of Dundee
    ISSN (Print)1473-236X


    • Inflation
    • Wages
    • Prices
    • Markup
    • I(2)
    • Polynomial cointegration

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