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Topic: Efficient market

	Efficient Market/Random Walk
		EFFICIENT MARKET THEORY: This long time theory tests whether all information about a stock, bond or company is instantaneously available to all interested parties at the same time (strong form) or whether there is other information which is available only to certain other investors on which they have a trading advantage (weak form).
		EFFICIENT MARKET: (1999) I have commented in the past that, while there is a fundamental to the efficient market where "all" information is known at "all" times and that no direct patterns should be evident, there are inconsistencies in this formula and that certain predictable trading patterns have actually emerged.
		Efficient Market (Malkiel pdf 2005) In recent years, many financial economists have come to question the efficient market hypothesis.
	www.efmoody.com /investments/efficientmarket.html (3279 words)

	Efficient Capital Markets, by Steven L. Jones and Jeffry M. Netter: The Concise Encyclopedia of Economics: Library of ...
		Efficient capital markets are commonly thought of as markets in which security prices fully reflect all relevant information that is available about the fundamental value of the securities.
		A related reason for caring about efficiency is that investors who do not have the time or the resources to do extensive analysis will be more willing to invest their savings in the market if they believe the securities they trade are accurately priced.
		Predictability in stock market indexes alone, however, is not enough evidence to reject the more basic implication of market efficiency that the market price should be a reasonable estimate of the rationally determined fundamentals.
	www.econlib.org /library/Enc/EfficientCapitalMarkets.html (2583 words)

	Efficient Market Hypothesis as supplied by EagleTraders.com
		The efficient market hypothesis of movements of stock prices in its weak variant stands for the proposition that successive stock prices are mostly unrelated and that prices tend to move in a random manner.
		All three variants of the efficient market hypothesis challenge the validity of fundamentals analysis and technical analysis, and in turn are challenged by adherents of the fundamental and technical approaches.
		The efficient markets theory, or what is also called “the new investment technology,” is the idea that security markets are efficient and that investment rewards are related to risk.
	www.eagletraders.com /advice/securities/effecient_market_hypothesis.htm (587 words)

	Efficient financial market
		Past researches study the level of efficiency of the market in respect of the public information available and the response of the market to new announcements, providing some support for the notion of mergers being partially anticipated events.
		To assess the response of the UK stock market to the merger announcement, the performance of the companies during the merger announcement period is assessed using the external measure of value creation, i.e.
		This test procedure is based on the market model and reflects that when the parameters of the market model are estimated from observations outside the test period, abnormal returns are prediction errors rather than true residuals and should therefore be standardised.
	html.rincondelvago.com /efficient-financial-market.html (17448 words)

	SSRN-Market Efficiency, Long-Term Returns, and Behavioral Finance by Eugene Fama
		Market efficiency survives the challenge from the literature on long-term return anomalies.
		Consistent with the market efficiency hypothesis that the anomalies are chance results, apparent over-reaction to information is about as common as under-reaction.
		Consistent with the market efficiency prediction that apparent anomalies can also be due to methodology, the anomalies are sensitive to the techniques used to measure them, and many disappear with reasonable changes in technique.
	papers.ssrn.com /sol3/papers.cfm?abstract_id=15108 (228 words)

	Definition of market efficiency
		Efficient market is one where the market price is an unbiased estimate of the true value of the investment.
		Definitions of market efficiency have to be specific not only about the market that is being considered but also the investor group that is covered.
		Given the number of investors in financial markets, the laws of probability would suggest that a fairly large number are going to beat the market consistently over long periods, not because of their investment strategies but because they are lucky.
	pages.stern.nyu.edu /~adamodar/New_Home_Page/invemgmt/effdefn.htm (1457 words)

	MPPM540: Chapter 8
		To say that a market is efficient is to make a statement about the speed at which new information filters into the price.
		Weak form efficiency should be the simplest type of efficiency to prove, and for a time it was widely accepted that the U.S. stock market was at least weak form efficient.
		The efficient market theory is a good first approximation for characterizing how prices is a liquid and free market react to the disclosure of information.
	viking.som.yale.edu /will/finman540/classnotes/class8.html (2922 words)

	Investor Home - The Efficient Market Hypothesis
		If a market is efficient, no information or analysis can be expected to result in outperformance of an appropriate benchmark.
		In an efficient market, competition among the many intelligent participants leads to a situation where, at any point in time, actual prices of individual securities already reflect the effects of information based both on events that have already occurred and on events which, as of now, the market expects to take place in the future.
		In effect, efficient markets depend on market participants who believe the market is inefficient and trade securities in an attempt to outperform the market.
	www.investorhome.com /emh.htm (1859 words)

	PRM 255 Market Failure and Externalities
		For market trades to occur, owners of goods must be able to exclude nonowners from using a good unless they pay for the privilege.
		Yet the market value of the fish may not be high enough to reward the exclusion effort.
		As in the market for a private good, the efficient quantity for a public good is where marginal social benefits equal marginal social costs.
	www.msu.edu /course/prm/255/market_failure.htm (3093 words)

	Working Through The Efficient Market Hypothesis
		The efficient market hypothesis (EMH) maintains that all stocks are perfectly priced according to their inherent investment properties, the knowledge of which all market participants possess equally.
		Secondly, under the efficient market hypothesis, no single investor is ever able to attain greater profitability than another with the same amount of invested funds: their equal possession of information means they can only achieve identical returns.
		Thirdly (and closely related to the second point), under the efficient market hypothesis, no investor should ever be able to beat the market, or the average annual returns that all investors and funds are able to achieve using their best efforts.
	www.investopedia.com /articles/basics/04/022004.asp (1059 words)

	Efficient Market Theory Definition
		The (now largely discredited) theory that all market participants receive and act on all of the relevant information as soon as it becomes available.
		Proponents of the efficient market theory believe that there is perfect information in the stock market.
		The bottom line is that an investor should not be able to beat the market since there is no way for him/her to know something about a stock that isn’t already reflected in the stock's price.
	www.investorwords.com /1672/Efficient_Market_Theory.html (234 words)

	THE EFFICIENT MARKET HYPOTHESIS ON TRIAL
		Keynesian ideologies on speculative market phenomena (hitherto ignored) are being resurrected to explain the volatile nature of the stock market.
		If the evidence is against market efficiency, it may be because the market is inefficient, or it may be that the model is incorrect.
		If the market were efficient, one would expect the prices of stocks of these companies to go up to a level where the risk adjusted returns to future investors would be normal.
	www.westga.edu /~bquest/2002/market.htm (8253 words)

	Investing, Efficient Market Hypothesis and Theory
		Since markets are the very heart and soul of the capitalistic system, the system's invisible hand not only sets prices, but determines how goods and services are distributed, and encourages further growth of the system with benefits for all.
		An "efficient" market is one where there are large numbers of rational, profit-maximizers actively competing with each other and trying to predict future market values of individual securities.
		In an efficient market, competition leads to a situation where, prices of securities reflect information based both on events that have already occurred and on events which the market expects to take place.
	www.greekshares.com /emt.php (699 words)

	Markets Work
		Markets throughout the world have a history of rewarding investors for the capital they supply.
		Indexes are not available for direct investment; therefore, their performance does not reflect the expenses associated with the management of an actual portfolio.
		It is certainly possible to outperform markets, but not without accepting increased risk.
	www.dfaus.com /philosophy/markets (358 words)

	The Market Classroom (Site not responding. Last check: 2007-10-08)
		Initially it will just be about the stock market, but as time goes on information about bonds, derivatives and foreign exchange markets will be added.
		efficient market hypothesis, capital asset pricing model, behavioral economics etc...) will be added soon.
		What would be appreciated is requests for lessons on certain subjects pertaining to financial markets, notifying me of bad links and ways to improve the navigation on the site, and letting me know if some things are hard to understand so I can try to explain then in a clearer manner.
	www.geocities.com /themarketclassroom (197 words)

	Efficient market hypothesis - Wikipedia, the free encyclopedia
		Professor Eugene Fama at the University of Chicago Graduate School of Business developed EMH as an academic concept of study through his published Ph.D. thesis in the early 1960s at the same school.
		The efficient market hypothesis states that it is not possible to consistently outperform the market — appropriately adjusted for risk — by using any information that the market already knows, except through luck.
		All that is required by the EMH is that investors' reactions be random and follow a normal distribution pattern so that the net effect on market prices cannot be reliably exploited to make an abnormal profit, especially when considering transaction costs (including commissions and spreads).
	en.wikipedia.org /wiki/Efficient_market_hypothesis (1862 words)

	Stock Market Perspective: (Non-) Efficient Market Hypothesis
		At first, usually after some significant news about the company, the market in general, or the economy, the zigzags will overshoot in one direction, and then overshoot to a lesser extent in the opposite direction, and so on in what can be a convergent manner.
		Either the market for these stocks was far from efficient in March 2000 or those bidding up the prices did not have a very good idea about their “true” value.
		That supports what I said earlier: that the market is efficient in the long run, but that is no reason to give up trading and other forms of active investment management and instead to invest passively only in things like index funds.
	www.pankin.com /persp041.htm (1805 words)

	SmartTraderBlog: Efficient Market
		And what's always cited is the Morningstar data that 90% of the mutual funds cannot outperform the market averages so that you are better off with an index fund.
		Thus, the evidence that people support for market efficiency is ridiculous.
		For those who believe in market efficiency as academic people do and teach I recommend find out more about Prospect Theory by Kahneman and Tverski, which I think is part of Behavior Finance.
	www.smarttraderblog.com /2006/09/efficient_market.php (741 words)

	Hulbert Attacks Efficient Market Theory
		The article makes the claim that efficient market theory is dead and useless with laughable logic and evidence.
		What the most popular "semi-strong" form of efficient theory suggests is that reliably predicting performance from published information is a waste of time because that information is factored into a stock price.
		According to Rau, this study does not offer conclusive evidence against even the rigorous "semi-strong" form of efficient theory, and it certainly does not claim that inefficiency is pervasive and easy to spot in advance.
	www.indexfunds.com /PFarticles/19990914_hulbert_com_md_WM.htm (590 words)

	Freakonomics Blog » Creative uses of efficient markets
		If markets are efficient, then you can reverse the logic: any change in prices must be due to some new information.
		The markets got it wrong, and slowly people caught on to this and realized that, at least in economic terms, 9-11 was not that big an event.
		In Sept of 2001 the Fed floods the market with liquidity to prevent a collapse.
	www.freakonomics.com /blog/2006/09/11/creative-uses-of-efficient-markets (1565 words)

	Is There an "Efficient Market" in CEO Compensation? — HBS Working Knowledge
		Students of efficient markets might argue that these are merely a reflection of the scarcity of supply among those thought to be able to lead large organizations.
		New findings suggest that the efficient market for CEO compensation may, in some respects, be effective.
		Markets are not effective right now due to the way governance mechanisms are skewed in favor of institutional investors.
	hbswk.hbs.edu /item/4930.html (2841 words)

	Financial Concepts: Efficient Market Hypothesis
		Efficient market hypothesis (EMH) is an idea partly developed in the 1960s by Eugene Fama.
		If markets are efficient and current, it means that prices always reflect all information, so there's no way you'll ever be able to buy a stock at a bargain price.
		Their argument against the efficient market theory is that many investors base their expectations on past prices, past earnings, track records and other indicators.
	www.investopedia.com /university/concepts/concepts6.asp (313 words)

	The Big Picture \| The kinda-eventually-sorta-mostly-almost Efficient Market Theory
		If markets are sometimes inefficient, and stock prices a flawed measure of value, corporate boards and management teams would have to rethink the way they compensate executives and judge their performance.
		In a perfect market where all information was known to all players there would stil be different choices built on different needs and judgements.
		Nov 20, 2004 6:22:24 PM Isn't it something that efficient market theory becomes defunct at the same time that thousands of hedge funds are busily reducing the inefficiencies of the equity market to the point where it's REALLY HARD for them to make any money from market inefficiencies.
	bigpicture.typepad.com /comments/2004/11/the_mostlykinda.html (2039 words)

	Efficient Frontier
		Let's say that we have two series of monthly returns for different market strategies or mutual funds, or even annual batting averages for two different hitters.
		Further, the fund's expenses and market costs are very likely to total 2% or more.
		Imagine that the behavioralists are represented by your theater producer cousin, and the efficient marketeers by your accountant cousin.
	www.efficientfrontier.com /ef/999/noise.htm (1040 words)

	Efficient Market Hypothesis
		The Efficient Market Hypothesis, which had its beginnings in the 1960s from Eugene Fama’s Ph.D. dissertation, states that at any given time all information about a security has been accounted for in the current price of that security.
		After all, the securities markets attract many intelligent, well-paid, and well-educated investors all of whom are seeking the elusive mispriced security from which a profit can be made.
		That is, if every investor believed the market was efficient, then the market would not be efficient because no one would analyze securities.
	www.etftopics.com /?p=80 (491 words)

	Efficient Market Portfolios: Services
		Efficient Market Advisors, LLC is the Investment Advisor to the Efficient Market Portfolios™ account.
		Efficient Market Portfolios accounts provide investors with an account that seeks to maximize investment performance given the investor’s time horizon and willingness to accept risk.
		Efficient Market Advisors named top ten most dependable wealth managers of Southern California by Goldline Research.
	www.efficient-portfolios.com (79 words)

	The Big Picture \| The Hardly Efficient Market
		Incidentally, the Efficient Market theory is the prime motivator behind indexing, which has been a losing propostion over the past few years (but I think thats more a function of market cap weighting than inefficient markets).
		As I commented last fall, the accuracy of Efficient Market Theory (or a lack thereof) has obvious bearing on how much effort it's worth investing in prediction markets, where they can be applied, how they should be structured and overseen, who ought to...
		As I commented last fall, the accuracy of Efficient Market Theory (or lack thereof) bears on how much effort it's worth investing in prediction markets, where they can be applied, how they should be structured and overseen, who ought to participate, an...
	bigpicture.typepad.com /comments/2005/03/the_hardly_effi.html (1562 words)

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