Economists working for the united states have determined that the elasticity of demand for gasoline is 0.5. capcitymetro decides to increase bus fare rates from $2.00 to $2.21. consequently, the number of passengers who decide to take the bus in austin drops from an average of 70,000 riders a day to an average of 61,000 riders a day.

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Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.

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