“…The ¿ rst hypothesis follows the lead of international works such as those by Chalayer (1994), Smith (1976), Amihud et al (1983) and Rajgopal et al (2002), among others, which have found evidence that in the United States and Europe concentrated ownership can reduce the principal-agent problem between ISSN 1807-1821, UFSC, Florianópolis, ano 07, v.1, n°13, p. 11-34, Jan./Jun., 2010 shareholders and managers, lowering the incentives and opportunities for the latter to manage earnings. However, we do not expect these relations between ownership and control structure and accounting information to apply to Brazilian ¿ rms due to the differences in the degree of shareholding concentration and the associated types of agency problems.…”