At first glance, it may be easy to see a number of deficiencies in the efficient market theory, created in the 1970s by Eugene Fama.
Perhaps this is because investors are not the perfectly informed paragons found in efficient-market theory.
This approach, he argues, stems from a belief in efficient-market theory which states, at its simplest, that prices reflect all available information.
In an efficient market, there is no reason to expect the foreign party to the trade to be any better informed than the local.
Surely in an efficient market investors would look past the accounts to the underlying economic reality, argues Mr Grundfest, so that the effect on the share price would be negligible.
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In an efficient market, such as that for shares or foreign exchange, such price rises would be moderated to some extent by other investors selling short (selling something for future delivery that they do not currently own, in the hope that they will be able to buy it more cheaply later).
Research Chairman Eisenstadt takes great satisfaction in having proved to adherents of the efficient market theory that the market can, in fact, be beaten.
In a perfectly efficient market, splitting shares has no real impact on a company or its stock price.
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It also helps that Indian bikers have come to regard Hero Honda bikes as the most fuel-efficient in the market.
This is but one example of the slow, steady job loss that has been happening for the past 20 years in the U.S., facilitated by technology, globalization and constant pressure to maintain profits in a highly efficient market-based economy.
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And in any case, it is hotly debated whether any individual, no matter how qualified, can consistently outperform his competitors in a relatively efficient capital market.
Much of the billions in revenue goes towards players in the brutally efficient worldwide market for top playing talent and the cutthroat competition amongst clubs to secure championships or avoid relegation .
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The U.S. stock market "is the most dynamic and efficient market in the world, " Chris Concannon, executive vice president of Virtu Financial LLC, a New York high-speed trading firm, will tell the Senate panel, according to his prepared testimony.
The trend includes linking production and energy resources in an efficient manner, and moving production closer to market demand in order to minimize transportation related costs.
In the past decade some economists have challenged efficient-market theory, by finding numerous examples of apparently predictable movements in share prices.
Thanks to the Hatch-Waxman Act of 1984, the United States has the most efficient generic pharmaceutical market in the world.
This is merely a tiny example of the shift that is taking place that will hopefully create a more efficient market not only in media but in the marketplace in general.
With the recent explosion in behavioral finance and the shattering of our absolute trust of the efficient market hypothesis, Shiller explains Dodd-Frank and regulators in general is still lacking in recognizing our new understanding of the financial landscape.
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Some said they were not surprised by the poor performance of the stock, and thought the market was acting in an efficient manner.
Profits evidence efficient stewardship of capital in ways which satisfy the market and generate wealth.
And for good reason: the market for talent in football is remarkably efficient.
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In this classic role, the market maker promotes efficient markets.
Yet if teachers unions press for wages far above the efficient wage they would garner in a competitive labor market, then they are undermining the case for the special laws that empower them.
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New tools now appearing in the market are cloud-based, open, efficient and easy to use.
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It said the Next Generation 737 was "the most fuel-efficient and reliable" single-aisle plane in the market.
The Efficient Markets Hypothesis (EMH) says that markets are efficient at processing information about what prices should be in a market.
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But we have to create more efficient ethanol if we want to see a significant growth in the market.
If you are in this category you believe that the market, while not perfectly efficient, is very close to efficient.
The real statement is that markets are efficient at processing the information about what prices should be in a market.
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