Efficient Markets Hypothesis
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Analysis of the impact of Fies on the stock returns from the higher education sector
RESUMO O objetivo deste trabalho é analisar se a emissão de Certificados Financeiros do Tesouro - Série E (CFT-Es) gera retornos anormais em um portfólio composto unicamente por ações de setor de ensino superior, verificando se o mercado educacional brasileiro é eficiente em sua forma semiforte. O propósito principal do CFT-E é o repasse de verbas p
Rev. contab. finanç.. Publicado em: 18/02/2019
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2. Formação de preços e finanças comportamentais: um estudo empírico no mercado futuro de cacau / Training Rates and Behavioral Finance: An empirical study in the cocoa futures market.
This work aimed to exam the formation of future market prices of cocoa traded on the New York Stock Exchange, under the view of the volatility from January 1997 to August 2008, since the future market is playing an important role in making decision, focusing on maximizing returns. In a particular way, the study of volatility is an essential tool in this mark
Publicado em: 2009
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3. Testando a existência de efeito Lead-lag entre os mercados acionários norte-americano e brasileiro
This study is aimed at identifying the existence of lead-lag effects between the US stock market, represented by the New York Stock Exchange (NYSE), and the Brazilian stock market, represented by the Sao Paulo Stock Exchange (BOVESPA), i.e. whether upward and downward price movements in the NYSE are followed, on average, by similar movements in BOVESPA, whic
Publicado em: 2008
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4. Um indicador de desempenho para seleção de ativos das empresas de celulose e papel no mercado financeiro
How to make decisions in the financial market in dynamic, turbulent, risky, complex and uncertain scenarios? This thesis explains a small fraction of that unstable market as offers answers to the pulp and paper assets selection in the São Paulo Stock Exchange - Bovespa. Thus, it is compared the pulp and paper companies performance in the period from January
Publicado em: 2008
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5. Análise do comportamento dos retornos acionários frente ao registro de ofertas públicas de aquisição de ações no Brasil
The informal asymmetric level, which means the time needed for transcribed assets to incorporate new information available in the market, allows abnormal gain by companies in the market, as it is the assumption that the market efficiency presents itself in a semi-strong form. According to this scenario, the present study aims to examine the relationship betw
Publicado em: 2007
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6. A HipÃtese de EficiÃncia de Mercado e a performance dos fundos de aÃÃes brasileiros
Esta dissertaÃÃo teve como objetivo avaliar a performance dos fundos de aÃÃes brasileiros referenciados ao Ibovespa, abrangendo o perÃodo de janeiro de 2000 a marÃo de 2007. Esta avaliaÃÃo foi feita pela Ãtica do investidor, tendo como referÃncia as premissas da HipÃtese de EficiÃncia de Mercado â HEM. Foram realizadas regressÃes de sÃries tem
Publicado em: 2007
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7. Uma avaliação das contribuições de Stiglitz à teoria dos mercados financeiros
The objective and originality of this paper lie in identifying Stiglitz's main theoretical contributions to Financial Economics and in briefly portraying the contemporary economic thought out of which these contributions emerged as well as in suggesting their connections with the subsequent economic thought. Grounded on a detailed analysis of Stiglitz's work
Brazilian Journal of Political Economy. Publicado em: 2006-03
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8. A HipÃtese de EficiÃncia de Mercado e as FinanÃas comportamentais: evidÃncias empÃricas no mercado acionÃrio brasileiro e uma proposta teÃrica integrativa
The efficient capital markets hypothesis (EMH) and the behavioral finance are some of the most controversial subjects in the context of finance research. Inquiries about the existence of some possible behavioral biases and if the assets prices effectively fully reflect the information of the moment are strongly present in current agenda of financial resear
Publicado em: 2006
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9. Preços Futuros Brasileiros Seguem Um Passeio Aleatório? Um Estudo Empírico / Brazilian Futures Prices: are They Following a Random Walk? An Empirical Study
The research aimed to test whether Brazilian futures prices follow a random walk - one of the versions of the Efficient Market Hypothesis. Futures prices of the Ibovespa index and dollar futures contratacs have been analysed, from June-30-1994 to December-31-1998. Parametric and non-parametric procedures involving Lo-MacKinlay´s Variance Ratio lead to the h
Publicado em: 24/11/2005
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10. Frontiers of finance: Evolution and efficient markets
In this review article, we explore several recent advances in the quantitative modeling of financial markets. We begin with the Efficient Markets Hypothesis and describe how this controversial idea has stimulated a number of new directions of research, some focusing on more elaborate mathematical models that are capable of rationalizing the empirical fa
The National Academy of Sciences.