a. Briefly explain the concept of the efficient market hypothesis (EMH) and each of its three forms—weak, semistrong, and strong—and briefly discuss the degree to which existing empirical evidence supports each of the three forms of the EMH.b. Briefly discuss the implications of the efficient market hypothesis for investment policy as it applies to:i. Technical analysis in the form of charting.ii. Fundamental analysis.c. Briefly explain the roles or responsibilities of portfolio managers in an efficient market environment.

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Market Efficiency

Market efficiency refers to the market's ability to provide investors with all available information about investment options for buying and selling securities. Market efficiency reflects the true value of securities without undervaluing or overvaluing them. When the quality and quantity of information increase, the market becomes more efficient, allowing it to reduce arbitrage and obtain higher market returns from investment. In a well-functioning market, everyone receives all information completely and immediately at no cost. It opens up a plethora of opportunities for investors to access various investment options.