FIN 311 Lecture Notes - Lecture 6: Efficient-Market Hypothesis, Modern Portfolio Theory, Capital Asset Pricing Model

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13 Dec 2015

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Every return that is expected in the market has to be a function of the expected risk. Means your return cannot exceed market return without additional risk. There is no alpha or return without risk. Information is priced (if something is known, the price will adjust for that expectation) return results from risk. If you want a bigger return, you need to take bigger risk. Random walk with a drift is time value of money. The price in the efficient market is random. sh. 5- spread is less risky than bigger spread of sh- spread. Best guess in random walk is today"s price. Best guess for random walk w/ drift is today"s price + time value of money. Strong form: all info is priced (this is the real form where nobody can predict returns) Weak form: all technical price/history info is priced. Is there such a thing as alpha that you can earn.

Related Questions

Multiple Choice Quiz
PLS EXPLAIN ALL YOUR ANSWERS AND SHOW THE CALCULATIONS
1
A share of common stock represents:
A) A claim from a lender against a borrower.
B) A share in the company's debts.
C) A share of ownership of the company.
D) An unlimited liability to the owner of the stock.

2
The fact that common stockholders are residual claimant'smeans:
A) The stockholders have a claim against the revenue that remainsafter everyone else is paid.
B) The stockholders receive their dividends before any otherresiduals are paid.
C) The stockholders are paid any past due dividends before otherclaims are paid.
D) The stockholders are paid before the bondholders but after anytaxes are paid.

3
The concept of limited liability says a stockholder of acorporation:
A) Is liable for the corporation's liabilities, but nothingmore.
B) Cannot receive dividends that exceed his/her investment.
C) Cannot lose more than his/her investment.
D) Is only responsible for any taxes that the corporation may owebut not its other debts.

4
You have a portfolio valued at $1000. Over the next twelve monthsit loses 80% of its valuWhat return does the portfolio need to earnover the following twelve months to restore the portfolio to itsoriginal value?
A) 75%.
B) 200%.
C) 400%.
D) 25%.

5
The theory of efficient markets assumes that:
A) Prices of bonds, but not stocks, reflect all availableinformation.
B) The prices of all financial instruments reflect all availableinformation.
C) Stock prices are relatively rigid because it takes a while forinformation to efficiently move through the market.
D) The best approach to determining stock prices is to follow thechartists.

6
The notion that stock prices reflect all current availableinformation:
A) Makes the risk of holding stocks greater.
B) Indicates that mutual fund managers will not, on average,outperform market averages.
C) Says stock prices should be more rigid than they are.
D) Makes it easier to predict the movements in the price of astock.

7
Why are stock market bubbles costly for the economy?
A) They imply that the actual stock price is equal to thefundamental value of the stock.
B) They hurt consumers more than corporations.
C) They lead to a reduction in real investment in both theshort-term and long-term.
D) They lead to a misallocation of resources in both the short-termand long-term.

8
Stock market bubbles impact consumers by:
A) Encouraging greater consumption of luxury goods and greatersaving.
B) Encouraging greater consumption of luxury goods and lesssaving.
C) Encouraging more work and delaying retirement.
D) Resulting in less investment in home ownership and more intostocks.

9
If a public corporation goes bankrupt and does not have enoughassets to pay off all creditors:
A) The stockholders are personally liable for the balance.
B) The fact that stockholders are residual claimants means they mayhave to pay in additional capital to cover the obligations.
C) The stockholders receive any dividends due before the othercreditors are paid.
D) The stockholders cannot lose more than their investment.

10
The Dow Jones Industrial Average:
A) Gives equal weight to a change in the price of the stock of anycompany in the index.
B) Reflects that a 10% increase in a share of stock selling for $30will have the same affect on the index as a 10% increase in theprice of a stock selling for $60.
C) Is a value-weighted index.
D) Gives greater weight to shares with higher prices.

11
The Standard & Poor's 500 Index differs from the Dow JonesIndustrial Index because:
A) It takes into account the stock prices of 500 of the largestfirms, which is less than the DJIA.
B) It is a price-weighted index, where the DJIA is a value-weightedindex.
C) Larger firms are less important in the S&P 500 than in theDJIA.
D) It takes into account the prices of more stocks and it uses adifferent weighting scheme.

12
The theory of efficient markets implies:
A) Stock prices should be highly unpredictable.
B) The price at which stocks currently trade only reflects pastinformation.
C) Expectations do not play a role in stock prices because thisisn't real information.
D) The chartists are in fact correct that there are patterns instock prices.

13
The theory of efficient markets me
A) Professional fund managers should be able to consistently beatthe market average.
B) A professional fund manager should really not expect to beat themarket average consistently.
C) A professional fund manager who beats the market average oneyear should expected to beat the market average the nextyear.
D) A professional fund manager who beats the market average oneyear should be expected to not beat the market average the nextyear.

14
Stocks appear to present risk, yet many people have substantialparts of their wealth invested in them. This behavior could beexplained by the fact that:
A) People are irrational in their investment behavior, onlyfocusing on positive outcomes.
B) People are not very risk-averse and do not require a riskpremium for stocks.
C) Investing in stocks over the long run is not as risky asshort-term holdings.
D) People are not efficient users of information.

15
The price of a stock is currently $750 and the stock will pay a $43dividend. The interest rate is 7.5%. Based on the dividend-discountmodel, what is the expected price of this stock for nextyear?
A) $651.17.
B) $657.67.
C) $691.17.
D) $763.25.

FIN 311 Lecture Notes - Lecture 6: Efficient-Market Hypothesis, Modern Portfolio Theory, Capital Asset Pricing Model

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