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Efficient market hypothesis

Stock market under the 2016 Brazilian presidential impeachment: a test in the semi-strong form of the efficient market hypothesis

Stock market under the 2016 Brazilian presidential impeachment: a test in the semi-strong form of the efficient market hypothesis

... the efficient market hypothesis (EMH), in its semi-strong form, the purpose was verifying whether the presidential impeachment that took place in Brazil in 2016, in 3 different dates, brought the ...

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Efficient Market Hypothesis in European Stock Markets

Efficient Market Hypothesis in European Stock Markets

... weak-form market efficiency applied to stock market indexes of France, Germany, UK, Greece, Portugal and Spain, from January 1993 to December ...the hypothesis that the stock market index ...

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The efficient market hypothesis: problems with interpretations of empirical tests

The efficient market hypothesis: problems with interpretations of empirical tests

... of market eficiency theory were revealed by Grossman and Stiglitz ...eficient market must “implode” as it cannot exist without sophi- sticated ...eficient market, making it inef- ...eficient ...

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Analysis of the Weekend Effect on the Markets of 121 Equity Indices and 29 Commodities

Analysis of the Weekend Effect on the Markets of 121 Equity Indices and 29 Commodities

... Efficient market hypothesis (EMH), the core of the influential paper of Fama (1970), has been a cornerstone of financial economics for many ...the market, usually in a form of above-average ...

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RADING PERFORMANCE AND IMPLICATIONS APPLIED TO THE

RADING PERFORMANCE AND IMPLICATIONS APPLIED TO THE

... stock market during the period comprised between 2002 and ...the Efficient Market Hypothesis in its weak-form, states that stock prices already contain all historical data available on the ...

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BAR, Braz. Adm. Rev.  vol.9 número2

BAR, Braz. Adm. Rev. vol.9 número2

... The Efficient Market Hypothesis (EMH) is based on the assumption that, in efficient markets, asset prices fully reflect all available ...to market participants. Therefore, if one ...

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Determinants of Mammal and Bird Species Richness in China Based on Habitat Groups.

Determinants of Mammal and Bird Species Richness in China Based on Habitat Groups.

... energy hypothesis, the environmental stability hypothesis and the habitat het- erogeneity ...energy hypothesis can be classified into three versions: The “water- energy dynamics” version states that ...

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LIQUID INSTITUTIONS’ RESPONSE TO THE PRESENCE OF SHORT SELLERS IN THE MARKET

LIQUID INSTITUTIONS’ RESPONSE TO THE PRESENCE OF SHORT SELLERS IN THE MARKET

... An investor will take on a short position if she believes it is possible to build a profit from it. However, to sell short a stock, the investor has to locate the desired shares, often by having to consult multiple ...

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Classification of Eucalyptus urograndis hybrids under different water availability based on biometric traits

Classification of Eucalyptus urograndis hybrids under different water availability based on biometric traits

... The H2 was classified as not efficient but tolerant. It exhibited the lowest growth even with adequate wa- ter availability, which is a disadvantage in terms of pro- ductivity and resource use efficiency. On the ...

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Econ. Apl.  vol.10 número2

Econ. Apl. vol.10 número2

... The literature on testing the random walk hypothesis (RWH) is extensive for different assets and countries. Nonetheless, empirical evidence for diverse countries is mixed. Lo and MacKinlay (1988) reject the RWH ...

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A new electricity market design for power systems with large share of hydro: improving flexibility and ensuring efficiency and security in the Brazilian case

A new electricity market design for power systems with large share of hydro: improving flexibility and ensuring efficiency and security in the Brazilian case

... new market design two worlds would coexist: the real one, associated with the power system considering physical effects, and where the ISO runs the dispatch in a centralized way; and the virtual one, related to ...

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H OW EFFICIENT IS THEP ORTUGUESES TOCK

H OW EFFICIENT IS THEP ORTUGUESES TOCK

... Our data will be the daily closing values for France, Germany, UK, Greece, Spain and Portugal stock market indexes 8 . Then we converted the price series into series of returns because as mentioned in Brooks ...

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Is capital ownership a good alternative to microcredit?: the case of São Tomé and Príncipe

Is capital ownership a good alternative to microcredit?: the case of São Tomé and Príncipe

... Even though the project was intended to gather a regular venture capital fund, due to the philosophy described above, meaning that the returns when the divestment has been made would be proportional to the venture’s ...

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Content delivery in vehicular ad hoc networks

Content delivery in vehicular ad hoc networks

... in multi-hop communications until they reach a provider. The provider then sends the content to the requesting node using the multi-hop reverse path in the direction of the requester. The main problem with one such ...

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Dynamic markets for lemons

Dynamic markets for lemons

... This paper aims to explore that possibility. Specifically, I analyze a decentralized lemons market which lasts for finitely many periods. I assume sellers can produce one unit of a commodity which can be of one of ...

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Rev. contab. finanç.  vol.25 número64 en v25n64a05

Rev. contab. finanç. vol.25 número64 en v25n64a05

... Table 2 summarizes results for Model 1. Debt to Ca- pital ratio is the dependent variable, whereas Cash Hol- dings is the main independent variable in which we are interested. The regression is statistically significant, ...

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In cash we trust: cash holdings in the Brazilian equity fund industry

In cash we trust: cash holdings in the Brazilian equity fund industry

... The results of the risk factor regressions are presented in Table 3. For all datasets: market beta, size beta and momentum, it appear to be positive and significant for many funds. On the other hand, value beta ...

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A Novel Efficient Forecasting of Stock Market Using Particle Swarm Optimization with Center of Mass Based Technique

A Novel Efficient Forecasting of Stock Market Using Particle Swarm Optimization with Center of Mass Based Technique

... stock market prediction problems is the most important applications of PSO to predict the stocks that have maximum profit with minimum ...stock market prediction such as Standard Particle Swarm ...

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Hypothesis testing in econometric models

Hypothesis testing in econometric models

... The most common procedures for …nding optimal tests when the testing problem does not have a UMP are: 1) consider a di¤erent set of tests than the set of all -level tests; 2) de…ne a prior distribution for the ...

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Tax smoothing hypothesis: A Turkish case

Tax smoothing hypothesis: A Turkish case

... smoothing hypothesis in developing ...smoothing hypothesis for the full ...the hypothesis, further in-depth econometric analysis failed to support the existence of tax ...

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