O Conflito de Agência Exposto ao Efeito de Mercado: Um Estudo Empírico de Precificação de Ações da Bombril S/A

• Ano de defesa: 2006
• Autor(a) principal: Ceolin, Denise Simão
• Orientador(a): Gartner, Ivan Ricardo
• Banca de defesa: Souza, Cezar Alexandre de , Santos, José Odálio dos
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Metodista de São Paulo
• Programa de Pós-Graduação: PÓS GRADUAÇÃO EM ADMINISTRAÇÃO
• Departamento: Gestão de organizações
• País: BR
• Palavras-chave em Português: Administração - Teses e Dissertações; Teoria da Agência; Estudo de Eventos; Crise; Valor
• Palavras-chave em Inglês: Agency Theory; Event Study; Crisis; Value
• Área do conhecimento CNPq: CNPQ::CIENCIAS SOCIAIS APLICADAS::ADMINISTRACAO
• Link de acesso: http://tede.metodista.br/jspui/handle/tede/91

This essay presents an exploratory study aiming to evaluate the market reaction concerning agency problems and the asymmetry of the information among the controlling major shareholders and the minor shareholders in open capital Brazilian company, with respect to the value of the negotiated stocks in the São Paulo stock market. This study intends to investigate the impact in the price fixing process of such stocks through the analysis of their behavior after the announcement of the crisis and fraud in the company by the specialized media. The adapted methodology consists of the application of the event study to identify the abnormal returns of the company from the disclosure of the first selected news in May 2001 to the last news in October 2005, using procedures such as linear regression and the application of the test T of Students to estimate and compare the results. The data were obtained through the Economática Ltda. Data bank, in the University of São Paulo. As object of the research, we have selected Bombril S/A, a company that became evident due to its agency problems in the national market. The results have shown that the market reacted significantly to the announcement of the selected conflicts, presenting a p-value smaller than 0,05 to the blocks of events, that means the rejection of the null hypothesis, making evident the statistical evidence of the tested information proves accumulated abnormal returns different from zero. However, new surveys are suggested using new parameters of events in order to find new evidence about the effect concerning the information about the stock price.