The standard deviation of a two-asset portfolio (with a risky and a non-risky asset) is equal to
A) the fraction invested in the risky asset times the standard deviation of the non-risky asset.
B) the fraction invested in the non-risky asset times the standard deviation of the risky asset.
C) the fraction invested in the risky asset times the standard deviation of that asset.
D) the fraction invested in the non-risky asset times the standard deviation of that asset.
C
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Sharon deposits $150.00 in her savings account at the bank. At the end of one year she has $156.38. What was the interest rate that Sharon earned?
A. 4.52% B. 5.63% C. 4.25% D. 6.38%
Refer to the figure above. What is the change in total revenue due to a price increase from $3 to $5?
A) The total revenue increases by $100. B) The total revenue decreases by $100. C) The total revenue increases by $200. D) The total revenue decreases by $200.
At the current price of a good Al's consumer surplus equals 8 and Ben's consumer surplus equals 15. By using two-part pricing a monopolist could increase his profit by
A) 8. B) 16. C) 15. D) 30.