Under what conditions would you choose to use simple exponential smoothing, Holt’s exponential smoothing, or Winters’ exponential smoothing? Are these the only smoothing models possible to construct? If there are other possible models, suggest one that might be useful.

Consider the following two stocks, a and b. stock a has an expected return of 10%, 10% standard deviation, and a beta of 1.20. stock b has an expected return of 14%, 25% standard deviation, and a beta of 1.80. the expected market rate of return is 9% and the risk-free rate is 5%. security would be considered a good buy if we include the stock in a well diversified a portfolio because a. b, it offers better alpha b. a, it offers better alpha c. a, it offers better sharpe ratio d. b, it offers better sharpe ratio

Which of the following best describes the purpose of raising and lowering the required reserve ratio? a. to make sure that government spending does not result in either a surplus or deficit. b. to stimulate economic growth by making it less expensive for producers to get loans. c. to manage the economy by increasing or decreasing the amount of loans being made. d. to regulate the activity of private banks to assure an equitable distribution of wealth. 2b2t

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.