Market Reaction to Mandatory IFRS Adoption: Evidence from Poland

Accounting and Management Information Systems, Vol. 10, Issue 2, pp. 228-248. 2011

18 Pages Posted: 2 Feb 2011 Last revised: 22 Nov 2011

Date Written: February 1, 2011

Abstract

This article analyses the effects of mandatory International Financial Reporting Standards adoption in Poland. Our aim is to determine how market participant reacted to the new accounting standards on the year of the adoption and whether their behaviour 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.

Keywords: IFRS, event study, value relevance, accounting regulation

JEL Classification: M41, G14

Suggested Citation

Klimczak, Karol Marek, Market Reaction to Mandatory IFRS Adoption: Evidence from Poland (February 1, 2011). Accounting and Management Information Systems, Vol. 10, Issue 2, pp. 228-248. 2011, Available at SSRN: https://ssrn.com/abstract=1752809

Karol Marek Klimczak (Contact Author)

Lodz University of Technology ( email )

Poland

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