2013
DOI: 10.1590/s1678-69712013000100007
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CAPM condicional com aprendizagem aplicado ao mercado brasileiro de ações

Abstract: Modelos de precificação de ativos representam uma das áreas mais discutidas e pesquisadas em finanças. São amplamente utilizados de forma teórica e prática na área de investimentos para modelar e prever o risco e o retorno de títulos e de carteiras, bem como em finanças corporativas para estimar o custo de capital e ranquear projetos de investimento. Eles fornecem uma medida útil de risco que ajuda gerentes e investidores a determinar o retorno requerido ao colocarem seu dinheiro em risco. O objetivo deste tra… Show more

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Cited by 3 publications
(6 citation statements)
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“…Proxy for Consumption-A difference between this study and that of Mazzeu and Santos (2013) is the inclusion of the above variables and a proxy for consumption. In the A&F model, it was used the variable related to consumption, called CAY (Consumption; Asset Holdings and Labor Income relationship), in the state-space model together with other macroeconomic variables.…”
Section: Datamentioning
confidence: 99%
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“…Proxy for Consumption-A difference between this study and that of Mazzeu and Santos (2013) is the inclusion of the above variables and a proxy for consumption. In the A&F model, it was used the variable related to consumption, called CAY (Consumption; Asset Holdings and Labor Income relationship), in the state-space model together with other macroeconomic variables.…”
Section: Datamentioning
confidence: 99%
“…A dynamic model for the evolution of the CAPM betas was estimated. In the equation, we included various conditioning variables included in other studies of the Brazilian literature (Flister et al (2011), Mazzeu andSantos (2013) and Fischberg Blank et al (2014)). Due to limitation of databases, some modifications had to be made for performing this work.…”
Section: Final Remarksmentioning
confidence: 99%
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“…Poucos trabalhos utilizam a abordagem com base nos modelos na forma espaço-estado no mercado brasileiro.Em linha com o presente artigo, Mazzeu et al (2013) aplicam a metodologia de Adrian & Franzoni (2009) para ações individuais de maior liquidez e verificam pequeno ganho em termos de apreçamento, principalmente comparado aos resultados no mercado norte-americano. Entretanto, não são analisadas carteiras de forma a relacionar erros de apreçamento a anomalias financeiras.…”
Section: Capm Condicionalunclassified
“…Ortas, Salvador, and Moneva (2015) For Brazil, Tambosi Filho, Garcia, Imoniana, and Moreiras (2010) test a conditional CAPM incorporating macroeconomic and financial variables and verify a significant increase in the explanatory power of the model. Using a state-space form conditional CAPM, Mazzeu, Da Costa Júnior, and Santos (2013) observed a reduction in pricing errors using the time-varying beta model in a sample of 13 stocks in the Brazilian market. Blank et al (2014) build portfolios of stocks based on book-tomarket and market value characteristics and verify that when the beta is modeled as a random walk with conditioning variables, pricing errors are reduced.…”
Section: Introductionmentioning
confidence: 99%