Stock Prices
Mostrando 1-12 de 62 artigos, teses e dissertações.
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1. O impacto do investidor institucional no preço das ações
Resumo Objetivo – Este estudo tem como objetivo analisar o impacto dos fundos de investimento comprando e vendendo ações juntos por períodos consecutivos no preço dessas ações. Metodologia – Foram realizadas análises de regressão em painel com efeitos fixos para identificar a relação entre a variável persistência, que mede em quantos perío
Rev. bras. gest. neg.. Publicado em: 26/08/2019
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2. Market Conditions and the Exit Rate of Private Equity Investments in an Emerging Economy
Abstract Private Equity (PE) funds are active investors. Besides providing capital, they improve the governance, operational performance and innovation of the investee companies. However, potential misalignment between the fund manager and the company owner regarding exit timing is a limitation of the model. PE funds have a finite-life, and thus they have to
BAR, Braz. Adm. Rev.. Publicado em: 08/08/2019
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3. Analysis of Risk and Mispricing Hypotheses of Accruals: Evidence from Brazil
Resumo Objetivo Analisar como a precificação dos accruals se configura no mercado brasileiro, isto é, se representa um mispricing de mercado ou fator de risco precificável. Metodologia: Utilizou-se de uma amostra de empresas não financeiras listadas na B3. Para o alcance do objetivo, fez-se uso da metodologia de carteiras, modelos de precificação de
Rev. bras. gest. neg.. Publicado em: 2019-01
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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. A STOCHASTIC PROGRAMMING APPROACH TO LIQUIFIED NATURAL GAS PLANNING
ABSTRACT This work reports on modeling and numerical experience in solving the liquefied natural gas (LNG) planning for an oil and gas company. We developed a model to optimize said purchase, optimizing the amount of LNG bought on the spot and on the long-term markets, based on the predicted demand for the planning horizon. A stochastic approach to address u
Pesqui. Oper.. Publicado em: 2016-04
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6. Corwin-Schultz Bid-ask Spread Estimator in the Brazilian Stock Market
This paper tests the validity of the Corwin-Schultz bid-ask spread estimator in the Brazilian stock market. The Corwin-Schultz estimator arises as an easy way to compute asymmetric information throughout daily high and low stock prices for estimating overnight and non-negative adjusted spreads. The sample consisted of Ibovespa firms from 1986 to 2014 and was
BAR, Braz. Adm. Rev.. Publicado em: 2016-03
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7. The foreign capital flows and the behavior of stock prices at BM&FBovespa
The main purpose of this article is to investigate alternative explanations for the impact of foreign capital flows on Ibovespa returns, including: trend chasing, information contribution and mutual feedback. Daily data of the period between 2005 and 2012 are analyzed using simultaneous equation models which are estimated by ordinary least squares (OLS). Sev
BAR, Braz. Adm. Rev.. Publicado em: 2014-03
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8. The impact of credit rating changes in Latin American stock markets
Our objective is to examine whether a rating change or Credit Watch announcement has a significant impact on Latin American stock prices. We conducted an event study to analyze stock market reaction to such news in the four major Latin American economies: Argentina, Brazil, Chile and Mexico. We find similar results to those previously observed in the literat
BAR, Braz. Adm. Rev.. Publicado em: 2013-12
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9. Impacto de saltos no comportamento de preços de commodities / Impact of jumps on commodity prices behavior
Neste trabalho analisa-se a relevância de saltos no apreçamento de derivativos de commodities através da comparação de dois modelos. O primeiro leva em consideração um convenience yield com reversão à média, enquanto o segundo é uma generalização do primeiro com saltos no preço à vista. Ambos os modelos são estimados por meio de uma abordagem
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/12/2012
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10. 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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11. O uso de cópulas para gestão de riscos
The large number of publications in finance using currently copulas can be explained by the ability of this technique to deal with statistical evidence of non-normality of the return series of financial assets. The non-normality is evidenced by the "volatility smile" in the series of stock options near expiration, the existence of "heavy tails" in portfolios
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2012
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12. A auditoria e o mercado acionário latino-americano: casos Brasil, Argentina e Colômbia / The auditor and the Latin American stock market: cases of Brazil, Argentina and Colombia
The strength of a stock market is related to transparency and reliability of all information available for its users. In this sense, both the auditor and his work, which is disseminated through the auditing reports, become the guarantee of the economical reality from all publicly traded companies. However, in Latin America reality (especially in Brazil, Colo
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 21/10/2011