Lorelai's choice behavior can be represented by the utility function u(x₁, x₂) = 0.9ln(x₁) + 0.1x2. The prices of both x₁ and x₂ are $10 and she has an income of $80. 1. What preference does this utility function represent? (Hint: the utility function is not linear, but at least linear in good x₂.) 2. Drawinwg indifference curves: you can copy down the graph on your paper using econgraphs. Set the preferences and parameters accordingly as given in the question. Click on "snap to optimal bundle" to see the optimal choice. Click on "show indifference curve map." Draw the lowest four indifference curves as you see from the graph. 3. Find the marginal utility of x₁ and x₂. What is the maximum number of x₁ so that MUX₁ is bigger than or equal to MUx₂? 4. Given her income of $80, how many units of x₁ can she buy? Would she buy any positive number of x₂ in light of the answer from Q5.3? Find the optimal bundle. 5. Suppose instead her income is $100. Would she buy any positive number of x₂? Find the optimal bundle using the tangency condition. 6. Find the optimal bundle with an income of $110 using the tangency condition. What happens to the consumption amount of x₁ compared to the consumption of x₁ with an income of $ 100? (Hint: In econgraphs, play around by moving an income slide bar and see how the optimal bundle changes.)
Lorelai's choice behavior can be represented by the utility function u(x₁, x₂) = 0.9ln(x₁) + 0.1x2. The prices of both x₁ and x₂ are $10 and she has an income of $80. 1. What preference does this utility function represent? (Hint: the utility function is not linear, but at least linear in good x₂.) 2. Drawinwg indifference curves: you can copy down the graph on your paper using econgraphs. Set the preferences and parameters accordingly as given in the question. Click on "snap to optimal bundle" to see the optimal choice. Click on "show indifference curve map." Draw the lowest four indifference curves as you see from the graph. 3. Find the marginal utility of x₁ and x₂. What is the maximum number of x₁ so that MUX₁ is bigger than or equal to MUx₂? 4. Given her income of $80, how many units of x₁ can she buy? Would she buy any positive number of x₂ in light of the answer from Q5.3? Find the optimal bundle. 5. Suppose instead her income is $100. Would she buy any positive number of x₂? Find the optimal bundle using the tangency condition. 6. Find the optimal bundle with an income of $110 using the tangency condition. What happens to the consumption amount of x₁ compared to the consumption of x₁ with an income of $ 100? (Hint: In econgraphs, play around by moving an income slide bar and see how the optimal bundle changes.)
Economics (MindTap Course List)
13th Edition
ISBN:9781337617383
Author:Roger A. Arnold
Publisher:Roger A. Arnold
ChapterE: Budget Constraint And Indifference Curve Analysis
Section: Chapter Questions
Problem 3QP
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