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Mandatory Adoption of IASB Standards: Value Relevance and Country-Specific Factors


  • Ana Isabel Morais,

  • José Dias Curto

Ana Isabel Morais, Assistant Professor, ISCTE Business School, Avenida das Forças Armadas, 1649-026 Lisboa, Portugal. Tel: +351 9 1905 8942; email:


The objective of this study is to investigate if the value relevance of European-listed companies increased after the mandatory application of International Accounting Standards (IAS)/International Financial Reporting Standards (IFRS) and how the value relevance of accounting information prepared under IAS/IFRS is shaped by the specific factors of the country in which companies are domiciled. Results show that the value relevance of financial information during the period companies applied mandatory IAS/IFRS is higher than for the period during which they applied local accounting standards. We also found that countries where accounting and tax are clearly separated show more relevant accounting information. Finally, we found that companies from countries with more legal and public enforcement mechanisms disclose less relevant accounting information under IAS/IFRS.