Portfolio Investment
Mostrando 1-12 de 56 artigos, teses e dissertações.
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1. Portfolio turnover and performance of equity investment funds in Brazil
RESUMO O objetivo deste trabalho foi analisar as relações entre turnover da carteira e desempenho de fundos de investimentos em ações no Brasil. Apesar dos poucos estudos publicados sobre o assunto, os estudos brasileiros até então identificados que trabalharam sobre a questão das alterações na carteira se limitaram a uma amostra muito restrita de d
Rev. contab. finanç.. Publicado em: 09/12/2019
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2. MULTI-AGENT BASED MODELING APPLIED TO PORTFOLIO SELECTION IN THE DOOM-LOOP OF SOVEREIGN DEBT CONTEXT*
ABSTRACT This study explores the self-fulfilling dynamic between sovereign debt risk and rational choices of neutral, risk-seeking and risk-averse investors, with implications to the systemic risk emergence. The agent-based model parameterization includes investment strategy (randomly selected assets, stock exchange participation, economic segment, and techn
Pesqui. Oper.. Publicado em: 09/05/2019
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3. Misvaluation and behavioral bias in the Brazilian stock market
RESUMO O estudo buscou utilizar o modelo desenvolvido por Gokhale et al. (2015) para identificar existência de sobrerreação e vieses comportamentais no mercado de ações brasileiro e analisar seu desempenho como estratégia de investimentos na Bolsa de Valores, Mercadorias e Futuros de São Paulo (BM&FBOVESPA), no curto e longo prazo, bem como testar sua
Rev. contab. finanç.. Publicado em: 2019-03
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4. Corporate sustainability and asset pricing models: empirical evidence for the Brazilian stock market
Abstract The paper investigates the impact of corporate sustainability on asset prices. For that purpose, we develop a novel corporate sustainability factor and test the extent to which this factor is priced in an augmented four-factor version of the traditional Fama & French (1993) asset pricing model. The corporate sustainability factor is based on a zero-
Prod.. Publicado em: 20/06/2016
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5. AN APPROACH TO FINANCIAL RISK IN A PORTFOLIO FOR PLANNING THE INDUSTRIAL PRODUCTION OF PRODUCTS DERIVED FROM SUGARCANE
ABSTRACT Brazil's location and tropical weather conditions are favourable cultivating sugarcane, which has led to Brazil being one of the world's largest producers of sugarcane. The influence of the sugarcane industry on its economy stands out among the indicators of Brazilian economic growth and because the diversified investment when planning the productio
Pesqui. Oper.. Publicado em: 2015-12
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6. Black swans in the brazilian stock market
This study analyzes extreme values in the daily returns of 45 Brazilian stocks between 2 January 1995 and 18 March 2009. The incidence of observations outside the range of three standard deviationsfrom the mean is at least five times greater than under the normal distribution. The occurrence of extreme values in the upper tail is 1.13 times higher than in th
Pesqui. Oper.. Publicado em: 16/07/2013
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7. Gestão financeira e econômica da propriedade rural com multiproduto
Farmers have always neglected management procedures in their enterprises in detriment to initiatives regarding production technology. Overall, producers and technicians know the answer to what, how and when to produce, but they dont know the cost or profitability of this technology. The present study shows the importance of the sustainability of agricultural
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/08/2012
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8. Seleção de projetos do mecanismo de desenvolvimento limpo : modelo baseado em latisse binomial e teoria do portfólio / Selection of projects from the clean development mechanism : model based on binomial lattice and portfolio theory
A humanidade tem selecionado seus sistemas energéticos incorporando, além dos parâmetros de disponibilidade técnica e viabilidade econômica, os impactos ambientais causados por eles. O mercado de créditos de carbono surge neste contexto ao estabelecer mecanismos de mercado para que partes envolvidas na contribuição de redução/remoção de gases de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/02/2012
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9. Accrual anomaly in the Brazilian capital market
This paper analyzes the phenomenon known as accrual anomaly in Brazil. In particular, we examine two hypotheses: (a) that the earnings expectation included in the stock price fails to reflect the difference in persistence of the earnings components (accruals and cash flows); and (b) that the construction of a hedge portfolio by taking a long (short) position
BAR, Braz. Adm. Rev.. Publicado em: 18/09/2012
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10. Evaluación de la Atención Primaria de Salud en un contexto urbano: percepción de actores involucrados - Bañado Sur - Paraguay, 2011
In Paraguay, since 2008 a Primary Health Care reform is taking place, aiming at reducing inequities. With the objective of understanding the role of Primary Health Care in the reorganization of the health system, the Primary Care Assessment Tool was used to study the Family Health Teams in Asunción. We interviewed 360 users and 36 health professionals. The
Saúde debate. Publicado em: 2012-09
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11. Differentiated risk models in portfolio optimization: a comparative analysis of the degree of diversification and performance in the São Paulo Stock Exchange (BOVESPA)
Faced with so many risk modeling alternatives in portfolio optimization, several questions arise regarding their legitimacy, utility and applicability. In particular, a question arises involving the adherence of the alternative models with regard to the basic presupposition of Markowitz's classical model, with regard to the concept of diversification as a me
Pesqui. Oper.. Publicado em: 28/06/2012
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12. Modelo de covariância bayesiana para seleção de protfólios de investimentos / Modelo de covariância bayesiana para seleção de protfólios de investimentos
A teoria de portfólio é um campo de estudos que se dedica a investigar a tomada de decisão por investidores de recursos. O propósito desse processo é a redução do risco por meio da diversificação e, portanto, a garantia de determinado retorno. Apesar disso, o modelo clássico de Média-Variância contém críticas quanto a sua parametrização, obse
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 21/12/2011