Charles's Utility Function Is U(x, Y)= Xy

question 9

Multiple Choice

Charles's utility function is U(x, y) = xy.Anne's utility function is U(x, y) =1,000xy.Diana's utility function is -xy.Elizabeth's utility function is U(x, y) = -1/(xy + 1) .Fergie's utility function is xy -010,000.Margaret's utility function is x/y.Philip's utility function is x(y + 1) .(The goods x and y are two very expensive goods.We leave you to speculate about what they are.) Which of these persons have the same preferences as Charles?

• A)Everybody except Diana
• B)Anne and Fergie
• C)Anne, Fergie, and Elizabeth
• D)None of them
• E)All of them

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