The Efficient Market Hypothesis (EMH) theory commonly referred to as the Random Walk Theory is one of the most debated topics in finance studies over the years because of the growing concerns that investors can trade on the available information so as to make abnormal profits in the market. EMH states that the price of a security (current stock prices) in the market reflects all the available information on its fundamental value at all times, hence investors cannot make any abnormal profits above the market prices using this information. EMH explains why changes in security prices occur and how those changes happen, hence very crucial to investors as they make their investment decisions in the security market. Many investors both domestic and global invest on securities that are undervalued as they expect their value to increase in the future. Other investors including investment managers also stress that they are able to choose those securities that can outperform the market prices with the core objective of gaining more profits. EMH argues that none of these assumptions is effective because the advantage gained is less than the transaction costs incurred such as research costs on the information hence not in a position to outperform the market price of these securities
Table of Contents
1. Introduction to the Efficient Market Hypothesis
2. The Link Between EMH and International Financial Markets
3. Financial Crises and Market Inefficiency
4. Implications of Investor Behavior and Market Realism
Research Objective and Core Themes
The primary objective of this work is to evaluate the validity of the Efficient Market Hypothesis (EMH) within the context of international financial markets, specifically examining how new information, investor behavior, and global crises challenge the assumption of market efficiency.
- Theoretical foundations of the Efficient Market Hypothesis (Random Walk Theory)
- The impact of global financial crises (US and Euro zone) on market efficiency
- The influence of behavioral factors, overreaction, and sentiment on asset pricing
- Analysis of arbitrage deviations and the law of one price during market turmoil
Excerpt from the Book
The Existence of Efficient Market Hypothesis (EMH) in the International Financial Markets
The Efficient Market Hypothesis (EMH) theory commonly referred to as the Random Walk Theory is one of the most debated topics in finance studies over the years because of the growing concerns that investors can trade on the available information so as to make abnormal profits in the market (Fama, 1970, p.383). EMH states that the price of a security (current stock prices) in the market reflects all the available information on its fundamental value at all times, hence investors cannot make any abnormal profits above the market prices using this information.
EMH explains why changes in security prices occur and how those changes happen, hence very crucial to investors as they make their investment decisions in the security market (Fama, 1970, p.387). Many investors both domestic and global invest on securities that are undervalued as they expect their value to increase in the future. Other investors including investment managers also stress that they are able to choose those securities that can outperform the market prices with the core objective of gaining more profits. EMH argues that none of these assumptions is effective because the advantage gained is less than the transaction costs incurred such as research costs on the information hence not in a position to outperform the market price of these securities (Fama, 1970, p.389).
Summary of Chapters
1. Introduction to the Efficient Market Hypothesis: This chapter defines the core tenets of the EMH and the Random Walk Theory, highlighting the fundamental premise that security prices reflect all available information.
2. The Link Between EMH and International Financial Markets: This section explores how information flows into international markets and how investors attempt to identify mispriced stocks to maximize profits.
3. Financial Crises and Market Inefficiency: This chapter investigates how the global financial crisis and the Euro zone crisis challenged the EMH by demonstrating instances where asset prices diverged from their fundamental values.
4. Implications of Investor Behavior and Market Realism: The final section discusses how human emotions, overreaction, and underreaction influence price discovery and complicate the pursuit of market efficiency.
Keywords
Efficient Market Hypothesis, Random Walk Theory, International Financial Markets, Asset Pricing, Global Financial Crisis, Euro Zone Crisis, Arbitrage, Law of One Price, Investor Sentiment, Overreaction, Undereaction, Market Realism, Security Prices, Capital Markets, Financial Liberalization
Frequently Asked Questions
What is the core focus of this research?
The work focuses on the Efficient Market Hypothesis (EMH) and its practical applicability and limitations within international financial markets, particularly during periods of economic instability.
What are the central themes discussed in the document?
Key themes include market efficiency, the role of new information in pricing, the impact of the global financial crisis, and the effect of behavioral biases on investment outcomes.
What is the primary research question?
The research explores whether the EMH holds true in global markets or if external factors like crises and human psychology lead to persistent market inefficiencies.
Which scientific approach is utilized?
The paper utilizes a literature-based analytical approach, reviewing seminal works such as Fama (1970) and comparing them against empirical observations from the 2007 global crisis and the Euro zone crisis.
What topics are covered in the main body?
The main body covers the theoretical definitions of EMH, the relationship between arbitrage and price deviations, the influence of political and monetary systems on currency stability, and the role of investor psychology.
Which keywords best describe this work?
The work is best characterized by terms such as Efficient Market Hypothesis, Asset Pricing, Behavioral Finance, Market Inefficiency, and Financial Crisis.
How does the author explain the Euro zone crisis in the context of EMH?
The author views the Euro zone crisis as a metamorphosis of the 2007 global crisis, arguing that the inability of nations with different economic structures to share a single currency led to market inefficiencies that the EMH struggles to account for.
What role does 'market realism' play in the author's argument?
Market realism is presented as a theory that emphasizes the importance of information diffusion and suggests that investors often behave emotionally, which in turn causes security prices to drift away from their actual economic value.
- Quote paper
- Caroline Mutuku (Author), 2018, The Existence of Efficient Market Hypothesis (EMH) in the International Financial Markets, Munich, GRIN Verlag, https://www.grin.com/document/424591
