文章基本信息

标题：REAÇÕES DO MERCADO ACIONÁRIO NA PRIMEIRA DIVULGAÇÃO FINANCEIRA EM IFRS DO SETOR BANCÁRIO BRASILEIRO: UM ESTUDO DE EVENTO
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作者：Armando Lopes Dias Fé Jr. ; Sílvio Hiroshi Nakao ; Maísa de Souza Ribeiro 等
期刊名称：Contextus
印刷版ISSN：1678-2089
电子版ISSN：2178-9258
出版年度：2015
卷号：13
期号：3
页码：81-110
语种：Portuguese
出版社：Universidade Federal do Ceará
摘要：Traded Brazilian banks are required to report consolidated financial statements since 2010 in two different accounting standards sets: COSIF (issued by Central Bank of Brazil) and IFRS. Since the first IFRS report, for the year 2010, was issued after the reporting of financial statements in COSIF, this paper verified the stock market reactions around the moment of the reporting in IFRS, thus isolating the effect of incremental information regarding what had been presented in COSIF. The event study revealed the existence of cumulative abnormal returns (CAR) between -10.2% and +4.01%, suggesting that the adoption of IFRS was value relevant to the analyzed banks. We also found that CAR were influenced by risk measured by Beta in the event window around IFRS reporting. These results suggest that the reporting under IFRS by the analyzed Brazilian banks brought value relevant information and may have increased investors' assessment of risk. DOI: http://dx.doi.org/10.19094/663
关键词：IFRS adoption. Banking. COSIF. Value relevance;Adopción de las NIIF. Banca. COSIF. Value Relevance.;Adoção do IFRS. Setor bancário. COSIF. Value relevance.