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Market Reaction to Mandatory IFRS Adoption: Evidence from Poland


  • Karol Marek KLIMCZAK

    () (Kozminski University, Poland)


This article analyses the effects of mandatory International Financial Reporting Standards adoption in Poland. Our aim is to determine how market participants reacted to the new accounting standards on the year of the adoption and whether their behavior changed afterwards. We examine abnormal returns around annual consolidated report publication, and the value relevance of earnings. Event studies show that annual report publication does not produce unexpected information either before, on, or after the adoption. Value relevance estimations produce consistent earnings coefficients for the unexpected earnings model for adopters and non-adopters. Interestingly, IFRS adopters are valued higher before the adoption, but not afterwards. The paper contributes a comprehensive methodology for market reaction studies and offers a range of possible extensions.

Suggested Citation

  • Karol Marek KLIMCZAK, 2011. "Market Reaction to Mandatory IFRS Adoption: Evidence from Poland," Journal of Accounting and Management Information Systems, Faculty of Accounting and Management Information Systems, The Bucharest University of Economic Studies, vol. 10(2), pages 228-248, June.
  • Handle: RePEc:ami:journl:v:10:y:2011:i:2:p:228-248

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    Cited by:

    1. Piotr Bolibok, 2014. "The impact of IFRS on the value relevance of accounting data of banks listed on the Warsaw Stock Exchange," Copernican Journal of Finance & Accounting, Uniwersytet Mikolaja Kopernika, vol. 3(1), pages 33-43.
    2. Ariel Markelevich & Lewis Shaw & Hagit Weihs, 2016. "Information content of IFRS versus domestic accounting standards: evidence from mandatory IFRS adoption in Israel," International Journal of Accounting, Auditing and Performance Evaluation, Inderscience Enterprises Ltd, vol. 12(2), pages 167-211.
    3. Valentin BURCA, 2013. "Bankruptcy Risk in IFRS Era. Case Study on BSE Companies," Economics and Applied Informatics, "Dunarea de Jos" University of Galati, Faculty of Economics and Business Administration, issue 3, pages 61-70.

    More about this item


    IFRS; event study; value relevance; accounting regulation;

    JEL classification:

    • M41 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Accounting - - - Accounting


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