A Market In Efficiency
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Efficient Market Hypothesis
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Author : Mario Chinas
language : en
Publisher: Library of Cyprus
Release Date : 2019-02-23
Efficient Market Hypothesis written by Mario Chinas and has been published by Library of Cyprus this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-23 with categories.
This is the Black & White version of the book, available at a discount, which does not include the research data and analysis tables. There is also a Full Colour version that includes all the research data and analysis tables. What is a Stock Market? How do stock markets operate? Who invests in a stock market and when is it an appropriate tool for investment? Why do we care if a stock market is efficient or not? Where can we find evidence of market efficiency? With what tools can we test market efficiency?These are some of the questions that this book approaches. The Efficient Market Hypothesis (EMH) is a theory in financial economics, developed by Eugene Fama, which states that asset prices fully reflect all available information. Thus, it is implied that stocks always trade at their fair value, making it impossible for investors to "beat the market" via technical or fundamental analysis, since market prices should only react to new information.There are three variants of the EMH: "weak," "semi-strong," and "strong" form. The weak form of the EMH claims that prices already reflect all past publicly available market information. The semi-strong form claims that prices reflect all publicly available information, thus price changes occur to reflect new publicly available information. The strong form adds to this that prices instantly reflect even hidden private "insider" information.Testing the EMH is no easy task: Quantifying the availability of information and its effect on prices and market efficiency is challenging, making research on the subject difficult, time consuming and open to criticism. However, anecdotal evidence suggests that markets at best reach semi-strong form efficiency, with weak form efficiency being the norm. However, even this is challenged by the critics of EMH, via concepts such as Behavioural Finance.This book aims to familiarise the reader with the concept of EMH, covering the fundamentals and relevant literature. We then discuss market efficiency tests for Weak Form Market Efficiency, examining in more detail the day-of-the-week effect and its significance on stock market efficiency. The day-of-the-week effect is defined as a pattern where a certain day of the week has abnormal returns continuously. It is an anomaly that violates the random walk hypothesis, and thus implies that a market is not Weak Form efficient.We put theory into practice through the Empirical Research section which is divided into two parts, looking at two different approaches to researching the day-of-the-week effect, via the examination of actual research examples on a small European stock exchange. Both of these Thesis tested the hypothesis of random walk to determine the authenticity of weak form market efficiency for a small emerging stock market within the EU (the Cyprus Stock Exchange).
The Efficient Market Hypothesis And Its Application To Stock Markets
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Author : Sebastian Harder
language : en
Publisher: GRIN Verlag
Release Date : 2010-11
The Efficient Market Hypothesis And Its Application To Stock Markets written by Sebastian Harder and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11 with Business & Economics categories.
Research Paper (undergraduate) from the year 2008 in the subject Business economics - Investment and Finance, grade: 1.7, The FOM University of Applied Sciences, Hamburg, language: English, abstract: Especially after the 90ies, where the stock markets raised enormously, many private investors joined the stock market and were blended by abnormal profits and neglected possible losses. The same behavior could be observed before the Financial Crisis became reality. But each endless raising stock market would finally collapse, because stock prices are randomly and only driven by relevant news. The adjustment to the news is quickly. This is the theoretical argumentation of the Efficient Market Hypothesis (EMH), which will be evaluated in this paper. The author gives an overview about the EMH by explaining the basic principles and its mathematical formulation. The practical part evaluated the EMH on selected examples, where the theory could only be partly approved.
The Ascent Of Market Efficiency
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Author : Simone Polillo
language : en
Publisher: Cornell University Press
Release Date : 2020-08-15
The Ascent Of Market Efficiency written by Simone Polillo and has been published by Cornell University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-15 with Business & Economics categories.
The Ascent of Market Efficiency weaves together historical narrative and quantitative bibliometric data to detail the path financial economists took in order to form one of the central theories of financial economics—the influential efficient-market hypothesis—which states that the behavior of financial markets is unpredictable. As the notorious quip goes, a blindfolded monkey would do better than a group of experts in selecting a portfolio of securities, simply by throwing darts at the financial pages of a newspaper. How did such a hypothesis come to be so influential in the field of financial economics? How did financial economists turn a lack of evidence about systematic patterns in the behavior of financial markets into a foundational approach to the study of finance? Each chapter in Simone Polillo's fascinating meld of economics, science, and sociology focuses on these questions, as well as on collaborative academic networks, and on the values and affects that kept the networks together as they struggled to define what the new field of financial economics should be about. In doing so, he introduces a new dimension—data analysis—to our understanding of the ways knowledge advances. There are patterns in the ways knowledge is produced, and The Ascent of Market Efficiency helps us make sense of these patterns by providing a general framework that can be applied equally to other social and human sciences.
The Efficient Market Hypothesis And Its Validity In Today S Markets
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Author : Stefan Palan
language : en
Publisher: GRIN Verlag
Release Date : 2004-12-21
The Efficient Market Hypothesis And Its Validity In Today S Markets written by Stefan Palan and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-12-21 with Business & Economics categories.
Thesis (M.A.) from the year 2004 in the subject Business economics - Investment and Finance, grade: 1 (A), University of Graz (Institute für Industrial Economics), language: English, abstract: This Master Thesis gives an overview of the research into the efficient market hypothesis from its first days in the 1950s to the present. The discussion of theoretical models and concepts is being complemented by a review of relevant empirical evidence from international capital markets. The thesis is completed by a brief outlook on newer research venues, including models employing behavioural finance approaches.
Short Introduction To Corporate Finance
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Author : Raghavendra Rau
language : en
Publisher: Cambridge University Press
Release Date : 2017-01-11
Short Introduction To Corporate Finance written by Raghavendra Rau and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-11 with Business & Economics categories.
The Short Introduction to Corporate Finance provides an accessibly written guide to contemporary financial institutional practice. Rau deploys both his professional expertise and experience of teaching MBA and graduate-level courses to produce a lively discussion of the key concepts of finance, liberally illustrated with real-world examples. Built around six essential paradigms, he builds an integrated framework covering all the major ideas in finance over the past half-century. Ideal for students and practitioners alike, it will become core reading for anyone aspiring to become an effective manager.
Critical Review About Implications Of The Efficient Market Hypothesis
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Author : Sascha Kurth
language : en
Publisher: GRIN Verlag
Release Date : 2011-10
Critical Review About Implications Of The Efficient Market Hypothesis written by Sascha Kurth and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10 with Business & Economics categories.
Seminar paper from the year 2011 in the subject Business economics - Investment and Finance, grade: 1,0, University of Hull, course: Current Issues Financial Management, language: English, abstract: The study examines and critical reviews the literature for the different implications based on the three levels of the Efficient Market Hypothesis for investors and company managers. If the weak form of the EMH holds, the technical analyse is useless, but ninety percent of traders in London are using it. If the semi-strong-form holds the fundamental analysis, study of published accounts, search for undervalued companies are useless and investors should be focus on diversification and avoiding of transaction costs. Furthermore the semi-strong form would imply for managers, that accounting disclosure to deceived shareholders is useless, the company market value is the best indicator for the company value and management decisions, the company does not need specialists for the timing of issues and there are no opportunities for a cheap acquisition of another company. At least if the strong-form of the EMH holds, it would imply that even with insider information it would not be possible to get above average returns. The literature shows, that the studies of EMH have made an important contribution to our understanding of the security market. It also shows that in some cases scientific results do not strong influence the behaviour of manager and investors in the "real world".
Market Efficiency In A Market With Heterogeneous Information
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Author : Stephen Figlewski
language : en
Publisher:
Release Date : 1977
Market Efficiency In A Market With Heterogeneous Information written by Stephen Figlewski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Information Efficiency And Anomalies In Asian Equity Markets
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Author : Qaiser Munir
language : en
Publisher: Routledge
Release Date : 2016-10-04
Information Efficiency And Anomalies In Asian Equity Markets written by Qaiser Munir and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-04 with Business & Economics categories.
The efficient market hypothesis (EMH) maintains that all relevant information is fully and immediately reflected in stock prices and that investors will obtain an equilibrium rate of return. The EMH has far reaching implications for capital allocation, stock price prediction, and the effectiveness of specific trading strategies. Equity market anomalies reflect that the market is inefficient and hence, contradicts the EMH. This book gathers both theoretical and practical perspectives, by including research issues, methodological approaches, practical case studies, uses of new policy and other points of view related to equity market efficiency to help address the future challenges facing the global equity markets and economies. Information Efficiency and Anomalies in Asian Equity Markets: Theories and evidence is an insightful resource that will be useful for students, academics and professionals alike.
Market Efficiency
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Author : Andrew Wen-Chuan Lo
language : en
Publisher:
Release Date : 1997
Market Efficiency written by Andrew Wen-Chuan Lo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Capital market categories.
Efficiency Versus Robustness Of Markets Why Improving Market Efficiency Should Not Be The Only Objective Of Market Regulation
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Author : Christoph Weber
language : en
Publisher:
Release Date : 2010
Efficiency Versus Robustness Of Markets Why Improving Market Efficiency Should Not Be The Only Objective Of Market Regulation written by Christoph Weber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
The efficiency of capital markets has been questioned almost as long as the efficient market hypothesis had been worked out. Numerous critics have been formulated against this hypothesis, questioning notably the behavioural assumptions underlying the efficient market hypothesis. The present contribution does not focus on the behavioural assumptions but rather looks at the implications of focusing purely on the objective of market efficiency when considering market design questions. Hence it aims at discussing the following, possibly rather fundamental issue: Is the objective of efficiency, which has guided most of the market reforms in the last decades, sufficient? Or has it to be complemented by the objective of robustness? Mathematical and engineering control theory has developed the concept of robust control (e.g. Zhou and Doyle, 1998) and it has been shown that there is always a trade-off between the efficiency of a control system and its robustness (cf. e.g. Safonov, 1981, Doyle et al., 1988). The efficiency of the system describes its reactions to disturbance signals. The lower the integral loss function over the so-called transfer or sensitivity function, the less a system is affected by disturbances such as demand fluctuations, and the more efficient is the control. The economic equivalent clearly is the maximisation of welfare, which results in an efficient economic system. Robustness by contrast is defined as stability of the control system in the presence of model uncertainty (deviations in the model parameters or misperceptions of the underlying system). These concepts are applied to the financial markets in their interaction with the real economy. The financial markets being understood as the controllers of real world activity through investments, the implications of misperceptions in the financial sphere are analysed both theoretically and in an application example. From the theory it may readily derived that financial markets providing efficient, i.e. welfare-optimal solutions, must have limitations with respect to robustness. Also in the application example it turns out that in the presence of potential misperception a reduction of irreversible cost shares in investments may lead to an increase in overall expected system costs. Hence improvements in (conventional) market efficiency may be counter-productive by facilitating misallocation of capital as a consequence of misperceptions in the financial markets. This leads to the conclusion that a sole focus on the efficiency objective in market design is problematic and some of the recent turmoil in financial markets may be explained by the lack of consideration given to robustness issues.