Board structure and modified audit opinions: the case of the Portuguese Stock Exchange
Luis Filipe Viana
Prior research has found evidence that some characteristics of the board of directors influence the quality of accounting information (e.g., Beasley, 1996; Dechow et al., 1996; Klein, 2002a; Xie et al., 2003). In this study we extend the literature by analysing a different dimension of accounting information quality, the probability of a firm receiving a modified audit opinion. Using a sample of companies listed on Euronext Lisbon where firms can publish financial statements not in accordance with GAAP, unlike the current situation in other markets like the US, and 91 firm-year observations for the period 2002-03, we find evidence consistent with the hypotheses that board diligence and independence contribute negatively to the probability of a modified opinion, while board size is not statistically significant. Our results are robust to different specifications and also show that financial health, performance, growth opportunities and the existence of dividend payments are additional factors affecting the likelihood of a modified audit opinion.
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