# Question: Are betas of individual stocks necessarily stable constant over time

Are betas of individual stocks necessarily stable (constant) over time?

## Answer to relevant Questions

What does the correlation coefficient (rij) measure? What are the two most extreme values it can take, and what do they indicate? In the real world, are more variables positively or negatively correlated? Use the beta (bi) from problem 13, and plug it into the formula for the security market line (Formula 17–7). Assume the risk-free rate (RF) is 7 percent and the market rate of return (KM) is 12.6 percent. What is the value ...Using the formula for the capital market line (Formula 17–5 on page 448), if the risk-free rate (RF) is 8 percent, the market rate of return (MK) is 12 percent, the market standard deviation ((M) is 10 percent, and the ...Why are zero-coupon bonds the most price sensitive of any type of bond issue? a. Compute the duration for the following data. Use a discount rate of 13 percent. b. Explain why the answer to part a is higher than the answer to problem 2. c. If in part a the discount rate were 10 percent instead of 13 ...Post your question