Suppose we calculate the MRS at a particular bundle for a consumer whose utility function is U(q1,q2). If we use apositive monotonic transformation, F, to obtain a new utility function, V(q1,q2) = F(U(q1,q2)), then this new utilityfunction contains the same information about the consumer's rankings of bundles. Prove that the MRS is the same aswith the original utility function.

The objective of this question is to prove that the Marginal Rate of Substitution (MRS) remains the…

Answered: Suppose we calculate the MRS at a…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Solve the following utility maximization problem, max u (x1, x2) subject to Pix1 + p2x2 = I meaning find x (P1, P2, I) and x (p1, p2, I) and u* (p1, p2, I) = V * . In solving this optimization problem, assume the following functional form for the direct utility function, и (х1, X2) —а: · In(x1) + b· In(x2) where a and b are just parameters (i.e., representations of single numerical values). Assume that the Second-Order Conditions for a constrained maximum hold. Write clearly and show your work!
Which of the following utility functions represents preferences over consumption bundles (X, Y) that violate the assumption of diminishing MRS? (a) U(X,Y) = 3 ln(X) + 5 ln(Y) (b) U(X,Y) = X² + y² (c) U(X, Y) = XY (d) U(X,Y) = X² + Y² (e) U(X, Y) = X¹Y³
A consumer has utility function U(x1, X2, X3, X4, X5, X6, X7) = min{/x1x2, /X3X4, VX5X6X7} Find the demand function. 3)
Q3: Are the following utility functions quasi-linear, quasi-concave, quasi-convex, homogenous of degree 0, homogenous of degree 1? Show your working: 1) U(x,y) = min(x,y) 2) U(x,y) = (x" + yaja
Which of the following statement is TRUE based on this question : A utility function with 2 goods (X,Y) is given by U = X^1/2Y. If there’s 3 bundles, bundle A = (9,3); bundle B = (4,1); bundle C = (16, 4)
Problem 2.3 Let the consumer's preferences over consumption bundles (x1, x2) be represented by the utility function u(x1,X2) = /x1 +1·(x2+1). Which of the following statements is correct? (a) The utility function v,(x1,x,) = In(x, + 1) + 3 ln(x, + 1) also represents the consumer's preferences. (b) The utility function v,(x1,x2) = In(x1 + 1) + In(x2 + 1)² also represents the consumer's preferences. (c) None of the statements is correct.
A consumer’s preferences over pizza (x) and steak (y) are given by u(x,y) = x2y (HINT: MUx = 2xy and MUy = x2) and his income is I = $120 and py = $1. (a) Calculate his optimal bundle when pX = $8 (call this bundle A) and separately when pX = $1 (call this point C). (b) Finding the decomposition bundle B, calculate the income and substitution effects on the amount of pizza of a decrease in the price of pizza from pX = $8 down to pX = $1. (c) Forget about the decomposition bundle and the two effects. In (a), the price of pizza decreases, hence the agent ends up better off. Let’s quantify how much “better off” the agent becomes after this price drop, in dollars. For this, instead of the price drop, suppose the agent is given some money $m and he optimize utility with this additional gift included to his budget. What should m be, so that his optimal utility with his expanded budget is exactly equal to his utility at the bundle C (the bundle he chooses optimally when pizza price drops to…
A consumer with $120 income and the utility function u(x,y) = (x^2)y where x is food and y clothing can go for shopping in one of the two stores A or B, where the prices for food and clothing are respectively pAx = 1, PAy = 80 and PBx = 8, PBy = 1. (a) If she can visit only one of the stores, which one would she go and what would be her optimal bundle there? Could she afford this very bundle at the other store? (HINT: How happy would she be if she chooses to go to store A for shopping? To store B? Which one is higher and what bundle would she buy there?) (b) If she can freely visit both stores (so that she buys each good from the store where it is sold cheaper), what would be her optimal bundle? What would she buy from each store? (c) How much money would she be willing to give up (out of her $120 budget) for the ability to visit both stores as in (b) rather than being restricted to shopping in only one store (the one she chooses in (a)? (HINT: suppose she pays $A for this privilege.…
For the utility function U = (Qx0.5+Qy0.5)² and the budget 122 = 8Qx + 8Qy find the CHANGE in optimal consumption of X if the price of X increases by a factor of 1.7. Please enter your response as a positive number with 1 decimal and 5/4 rounding (e.g. 1.15 = 1.2, 1.14 = 1.1).
Greg has the following utility function: u = x0.47x953. He has an income of $52.00, and he faces these prices: (p₁. p₂) = (1.00, 3.00). Suppose that the price of x, increases by $1.00. Calculate the equivalent variation for this price change.

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