Which of the following is true for testing stock price predictability? Select one: O a. All of the options Ob. When considering an RW without drift and the Cowles-Jones test, the probability of observing an increase or a decrease in price is no longer 0.5 O c. None of the options O d. The test statistic of the Volatility Ratio test is enough for us to be able to draw significant conclusions O e. The Box-Pierce q-test is based on the fact that for RW3 processes there should be no autocorrelation between the returns

Which of the following is true for testing stock price predictability? Select one: O a. All of the options Ob. When considering an RW without drift and the Cowles-Jones test, the probability of observing an increase or a decrease in price is no longer 0.5 O c. None of the options O d. The test statistic of the Volatility Ratio test is enough for us to be able to draw significant conclusions O e. The Box-Pierce q-test is based on the fact that for RW3 processes there should be no autocorrelation between the returns

EBK CONTEMPORARY FINANCIAL MANAGEMENT

14th Edition

ISBN:9781337514835

Author:MOYER

Publisher:MOYER

Chapter8: Analysis Of Risk And Return

Section: Chapter Questions

Problem 1P

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1.Which of the following is assumed by the Black-Scholes-Merton model? A.The return from the stock in a short period of time is lognormal B.The stock price at a future time is lognormal C.The stock price at a future time is normal D.None of the above
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Exercises: a. The standard deviation of returns is 0.30 for Stock A and 0.20 for Stock B. The covariance between the returns of A and B is 0.006. The correlation of returns between A and B is: b. Explain the differences between systemic risk and unsystematic risk, give additional examples c. Compare and contrast the Capital Market Line and Security Market Line d. The covariance of the market's returns with the stock's returns is 0.008. The standard deviation of the market's returns is 0.08, and the standard deviation of the stock's returns is 0. 11. What is the correlation coefficient of the returns of the stock and the returns of the market? e. According to the CAPM, what is the required rate of return for a stock with a beta of 0.7, when the risk-free rate is 7% and the expected market rate of return is 14%
USE THE INFORMATION BELOW FOR THE FOLLOWING PROBLEM Stock Rit Rmt ai Beta C 12 10 0 0.8 E 10 8 0 1.1 Rit = return for stock i during period t Rmt = return for the aggregate market during period t What is the abnormal rate of return for Stock C during period t using only the aggregate market return (ignore differential systematic risk)?
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Q1: Explain the meaning and significance of a stock's beta coefficient. Illustrate your explanation by drawing, on one graph, the characteristic lines for stocks with low, average, and high risk. (Hint: Let your three characteristic lines intersect at r_i=r_m=6%, the assumed risk-free rate.) Q2: Define the following terms, using graphs or equations to illustrate your answers where feasible. a) Risk, stand-alone risk b) Expected rate of return c) standard deviation, variance d) risk premium for stock i, market risk premium e) Capital Asset Pricing Model (CAPM) f) Expected return on a portfolio g) market risk, diversifiable risk h) Beta i) Security Market Line; SML equation j) Slope of SML and its relationship to risk aversion. Q3. Differentiate between (a) stand-alone risk and (b) risk in a portfolio context. How are they measured, and are both concepts relevant for investors? Q4. Can an investor eliminate market risk from a portfolio of common stocks? How many stocks must a portfolio…