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BUS 4070 Unit 5 Assignment 1 Efficient Markets Hypothesis

Harmony is the state wherein market interests balance one another and, as a result, costs become steady. When there is an excess supply of labor and products, the price decreases, increasing popularity. A state of equilibrium is reached through the balancing effect of supply and demand [Inv142]. 

A representative investor is a marginal investor whose actions reflect the beliefs of those trading a stock at the moment. The price of a stock is decided by the marginal investor [Swl14]. Proficient business sector speculation is a venture hypothesis that states it is difficult to “beat the market” since securities exchange effectiveness causes existing offer costs to integrate and mirror all significant data continuously. 

BUS 4070 Unit 5 Assignment 1 Efficient Markets Hypothesis

The EMH says that on stock exchanges, stocks always trade at their fair value, making it impossible for investors to buy undervalued stocks or sell stocks at high prices. As a result, expert stock selection or market timing should not be able to outperform the market as a whole, and buying riskier investments should be the only way for investors to get higher returns [Inv143]. 

According to the efficient-market hypothesis (EMH) theory, the prices on the market already reflect all of the information known at any given time and change quickly to reflect new information. As a result, unless luck prevails, every investor could outperform the market using the same information that is already available to all investors. 

There are three levels of market efficiency, with a strong efficiency market being the first. This is the strongest version, which states that a stock price accounts for all public and private market information. Not even insider data could give a financial backer a benefit. 

BUS 4070 Unit 5 Assignment 1 Efficient Markets Hypothesis

The subsequent kind of proficient market is the semi-solid productivity market. This type of EMH implies that the share price of a stock is calculated using all public information. Superior gains cannot be achieved through either fundamental or technical analysis. 

The weak efficiency market is the third and final type of efficient market. This kind of EMH asserts that a stock’s current price reflects all previous prices. As a result, technical analysis cannot be utilized to anticipate and outperform a market.


Heakal, R. (2013, October 21). What Is Market Efficiency? Retrieved May 12,  2014, from Investopedia: 


Investopedia. (2014). Definition of ‘Efficient Market Hypothesis – EMH. Retrieved 

May 12, 2014, from Investopedia.com: 


Investopedia. (2014). Equilibrium. Retrieved May 12, 2014, from  Investopedia.com:


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