The above figure shows Bob's utility function. He currently has $50 and is considering investing all of it in an investment that has a 50% chance of being worth $100 and a 50% chance of being worth $0. Bob will
A) definitely make the investment because the expected utility of the investment exceeds the utility of his $50.
B) definitely not make the investment because the expected utility of the investment is less than the utility of his $50.
C) definitely make the investment because he is indifferent between having $50 and having an investment with an expected value of $50.
D) definitely not make the investment because he is indifferent between having $50 and having an investment with an expected value of $50.
B
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Thinking about the total utility gained from the consumption of a typical good, we can say in general that:
A. total utility will rise, peak, and then decline as more and more units are consumed. B. consuming more and more units of a good will eventually cause marginal utility to increase C. total utility increases by decreasing amounts, until it is maximized. Then it declines. D. total utility is maximized where the marginal utility is greatest.
Kate and Alice are small-town ready-mix concrete duopolists. The market demand function is Qd = 20,000 - 200P, where P is the price of a cubic yard of concrete and Qd is the number of cubic yards demanded per year. Marginal cost is $80 per cubic yard. The Cournot model describes the competition in this market. Which of the following best represents Kate's inverse residual demand function?
A. P(QK) = (100 - 0.005QA) - 0.005QK B. P(QK) = (100 - 0.005QK) - 0.005QA C. P(QK) = (200 - 0.005QA) - 0.005QK D. P(QK) = (200 - 0.005QA) - 0.005QA