2006
DOI: 10.1590/s1415-65552006000400008
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Testando o CAPM condicional nos mercados brasileiro e norte-americano

Abstract: Nas ultimas décadas o modelo CAPM tem despertado grande interesse por parte da comunidade científica. Apesar das críticas, o aprimoramento do CAPM estático, dando origem a novos modelos dinâmicos, traz maior segurança para o investidor ao longo do ciclo de negócios. O CAPM e suas versões estáticas foram e são de grande importância em finanças. Nos dias de hoje, encontramos adaptações mais complexas do modelo CAPM, as quais nos permitem ter respostas sobre questões em finanças que, por muito tempo, permaneceram… Show more

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Cited by 3 publications
(2 citation statements)
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“…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%
“…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%
“…xas do CAPM (TAMBOSI FILHO; COSTA JÚNIOR; ROSSETTO, 2006). O mais importante disso é que em qualquer abordagem utilizada o CAPM sempre desperta o Disponível em: http://editora.unoesc.edu.br/index.php/race interesse em conhecê-lo melhor, principalmente em contextos e circunstâncias diferentes (ARAÚJO; OLIVEIRA; CASTRO SILVA, 2012).…”
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