2012
DOI: 10.1590/s1678-69712012000200005
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O CAPM e o CAPM condicional na precificação de índices acionários: evidências de mudanças nos coeficientes estimados de 2005 a 2008

Abstract: Este artigo pode ser copiado, distribuído, exibido, transmitido ou adaptado desde que citados, de forma clara e explícita, o nome da revista, a edição, o ano e as páginas nas quais o artigo foi publicado originalmente, mas sem sugerir que a RAM endosse a reutilização do artigo. Esse termo de licenciamento deve ser explicitado para os casos de reutilização ou distribuição para terceiros. Não é permitido o uso para fins comerciais.• RAM, REV. ADM. MACKENZIE, V. 13, N. 2 • SÃO PAULO, SP • MAR./ABR. 2012 • ISSN 15… Show more

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Cited by 5 publications
(9 citation statements)
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“…As expected return by the market portfolio ( M R ), we used the average return of the last ten years (from December 2007 to December 2016) of the firms listed at the Index of the Bolsa de Valores de São Paulo -São Paulo Stock Exchange (Ibovespa). Several previous evidences demonstrated the application of Ibovespa as a market portfolio (Araújo, Oliveira, & Silva, 2012;Araújo, Fajardo, & Tavani, 2006;Fellet, 2016;Matos & Rocha, 2009;Sanvicente, 2015;Silva et al, 2009;Silva, Pinto, & Melo, 2012;Tambosi, Garcia, & Bertucci, 2007). It is important to clarify that not necessarily the period of regressions to obtain the beta coefficient should coincide with the average return period of the market portfolio, as it can be underlined by the previous one.…”
Section: Methods and Datamentioning
confidence: 80%
“…As expected return by the market portfolio ( M R ), we used the average return of the last ten years (from December 2007 to December 2016) of the firms listed at the Index of the Bolsa de Valores de São Paulo -São Paulo Stock Exchange (Ibovespa). Several previous evidences demonstrated the application of Ibovespa as a market portfolio (Araújo, Oliveira, & Silva, 2012;Araújo, Fajardo, & Tavani, 2006;Fellet, 2016;Matos & Rocha, 2009;Sanvicente, 2015;Silva et al, 2009;Silva, Pinto, & Melo, 2012;Tambosi, Garcia, & Bertucci, 2007). It is important to clarify that not necessarily the period of regressions to obtain the beta coefficient should coincide with the average return period of the market portfolio, as it can be underlined by the previous one.…”
Section: Methods and Datamentioning
confidence: 80%
“…Savings accounts present a low DP and are accessible to any investor. Their use is justified by Silva, Pinto, Melo, and Camargos (2009) and they are used in a recent study from Sanvicente (2014), among other papers.…”
Section: Methodsmentioning
confidence: 99%
“…Garcia and Ghysels (1998) documented the importance of studying structural changes in emerging markets, and recently, articles that address estimating systematic risk in a dynamic way have gained more ground in the literature, since the structure of correlation between the factors involved in the models suffers from an alteration over time, especially when structural breaks exist in the time series, arising for example from a crisis period. Silva, Pinto, Melo, and Camargos (2009), Garcia and Bonomo (2001), Machado, Bortoluzzo, Martins, andSanvicente (2013), andTambosi Filho, da Costa, andRossetto (2006) published papers that evaluated the efficiency of the conditional CAPM model (C-CAPM) proposed by Bodurtha and Mark (1991) in the Brazilian market. On the other hand, Lewellen and Nagel (2006) found empirical evidence that the results from the C-CAPM do not differ significantly from the results from the non-conditional CAPM, since the relationship between the betas and the market risk premium varies very smoothly over time.…”
Section: Introductionmentioning
confidence: 99%
“…A quebra estrutural na série de tempo e o impacto no risco sistemático no período que inclui a crise de 2008 foram também observados por Silva, Pinto e Melo (2012). Cabe, portanto, investigar os fatores que explicam tal comportamento da carteira das ações de empresas que mais distribuem dividendos.…”
Section: Considerações Finaisunclassified