2014-10-172014-10-172014-07-03SANTOS, T. B. dos. Avaliação de empresas: uma análise sob a ótica do "viés de avaliação" nos laudos de oferta pública de aquisição ações. 2014. 41 f. Trabalho de Conclusão de Curso (Graduação) - Faculdade de Administração, Ciências Contábeis e Economia, Universidade Federal de Goiás, Goiânia, 2014.http://repositorio.bc.ufg.br/handle/ri/4173The process of valuation of companies is widely used and aims reach the fair value of the company. This research aimed to examine if the relation of appraisal company with the contractor evaluation cause bias in the fair value of the share based on valuation reports with the purpose of Public Offer of Acquisition of Shares (POA), compared to the share price. The analyzed 106 reports published between 2002 and 2013 were divided into groups according to the evaluation contractor. In each group, for the realization tests of measures in paired samples were performed with the application of non-parametric Wilcoxon test. The results showed the existence of bias in the evaluation process especially in situations in which the contractor evaluation is the company evaluated. With a lower level of confidence, it was also the finding of bias when the contractor evaluation is not company evaluated or the parent company of the evaluated. In the group in which the contractor evaluation is the parent company of evaluated no bias was identified.porAcesso abertoAvaliação de empresasViés de avaliaçãoValor Justo por açãoPreço da açãoShare priceValuation of companiesBias in the valuationFair value of the shareMonografia