4. (Based on Renshaw (2016)) Consider the utility function u = f(x₁,x2) = 0.75 ln x₁ + 0.25 ln x2. Using the implicit-function rule, find the marginal rate of substitution of x2 for x₁ (i.e., find dx2/dx₁). Is the slope of any indifference curve associated with this item positive or negative? (Note for the slope: Assume that we have x₂ on the vertical axis and x₁ on the horizontal axis.)
4. (Based on Renshaw (2016)) Consider the utility function u = f(x₁,x2) = 0.75 ln x₁ + 0.25 ln x2. Using the implicit-function rule, find the marginal rate of substitution of x2 for x₁ (i.e., find dx2/dx₁). Is the slope of any indifference curve associated with this item positive or negative? (Note for the slope: Assume that we have x₂ on the vertical axis and x₁ on the horizontal axis.)
Chapter3: Preferences And Utility
Section: Chapter Questions
Problem 3.2P
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