Mandatory IFRS Reporting and Stock Price InformativenessBeuselinck, C.A.C.; Joos, P.P.M.; Khurana, I.K.; van der Meulen, S. Publication date: 2010 Link to publication Citation for published version (APA):Beuselinck, C. A. C., Joos, P. P. M., Khurana, I. K., & van der Meulen, S. (2010). Mandatory IFRS Reporting and Stock Price Informativeness. (CentER Discussion Paper; Vol. 2010-82). Tilburg: Accounting. General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.-Users may download and print one copy of any publication from the public portal for the purpose of private study or research -You may not further distribute the material or use it for any profit-making activity or commercial gain -You may freely distribute the URL identifying the publication in the public portal Take down policyIf you believe that this document breaches copyright, please contact us providing details, and we will remove access to the work immediately and investigate your claim. Mandatory IFRS Reporting and Stock Price InformativenessAbstract: In this paper, we examine whether mandatory adoption of IFRS influences the flow of firm-specific information and contributes to stock price informativeness as measured by stock return synchronicity. Using a constant sample of 1,904 mandatory IFRS adopters in 14 EU countries for the period 2003-2007, we find a V-shaped pattern in synchronicity around IFRS adoption, which is consistent with IFRS disclosures revealing new firm-specific information in the adoption period (i.e., a reduction of synchronicity) and subsequently lowering the surprise of future disclosures (i.e., an increase in synchronicity). We also find mandatory IFRS adoption increases analysts' ability to incorporate industry-level information into stock price. However, we are unable to detect a reduction in the private information advantage enjoyed by institutional owners post-IFRS adoption. Moreover, we find the synchronicity effects to be more pronounced for firms in countries with larger differences in local GAAP relative to IFRS. Overall, our evidence yields novel insights on the consequences of mandatory IFRS adoption by investigating its effect on stock price informativeness and the distinctive roles played by a firm's information environment.
With the successful completion of the IASC's standards, IFRS and US GAAP were placed as the two pre-eminent world financial reporting frameworks. For years, however, US GAAP was accepted widely as the international set of standards to ensure high quality financial statements. Especially in the US, but also elsewhere, the introduction of IFRS has lead to a discussion on the (relative) quality of both regimes. However, relatively little research has been devoted to the subject. In this study, we address that void and further compare the quality of the two standard regimes using a sample of German New Market firms. Financial statement quality is measured applying multiple earnings attributes traditionally used in accounting research. Consistently throughout our measures, we find that the quality of US GAAP prepared financial statements and IFRS information is overall very comparable. Only with regard to predictive ability of accounting information do we find US GAAP superiority.
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