Microeconomics (9th Edition) (Pearson Series in Economics)
9th Edition
ISBN: 9780134184241
Author: Robert Pindyck, Daniel Rubinfeld
Publisher: PEARSON
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Question
Chapter 3, Problem 17E
To determine
Laspeyres Index and ideal cost of living index.
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A consumer is currently purchasing three pairs of jeans and five T-shirts per year. The price of jeans is $60, and shirts cost $10. At the current rate of consumption, the marginal utility of jeans is 240, and the marginal utility of shirts is 30.
Based on the model of consumer choice, what should this consumer do to maximize utility?
Purchase fewer shirts and more jeans.
Purchase more shirts and fewer jeans.
Purchase only jeans.
This consumer is already maximizing utility.
Purchase only shirts.
Marina decides to purchase a ring made from an alloy composed exclusively of gold
(G) and titanium (T). The price of gold is $60 per gram, and the price of titanium is
$30 per gram. Her total budget for the ring is $600. Her utility function is given by
U(G,T) =GT. Suppose the price of titanium falls to $20 per gram.
At the final basket, the optimal amount of titanium is（）grams.
Jane receives utility from days spent traveling on vacation domestically (D) and days spent traveling on vacation in a foreign country (F), as given by the utility function U(D,F) = 10DF. In addition, the price of a day spent traveling domestically is $100, the price of a day spent traveling in a foreign country is $400, and Jane’s annual travel budget is $4000. Suppose F is on the horizontal axis and D is on the vertical axis. Jane's marginal rate of substitution between F and D is equal to
10
1
F/D
D/F
Chapter 3 Solutions
Microeconomics (9th Edition) (Pearson Series in Economics)
Ch. 3 - Prob. 1RQCh. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 1ECh. 3 - Prob. 2ECh. 3 - Prob. 3ECh. 3 - Prob. 4ECh. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Prob. 10ECh. 3 - Prob. 11ECh. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17E
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- Consider a utility function l(X_{A}, X_{B}) = X_{A}*X_{B} Let P_{A} =\$3 and P_{B} =\$2. and income is set at M =\$40. Suppose P_{B} falls to P_{B}' = 1 1. Before the price change, what was x_{A} ^ * and x B^ * the optimal consumption bundles? Sketch the original budget line and label the point ( x_{A} ^ * ,x B ^ * ) as A. Let x_{A} be on the horizontal axis. 2. If, after the price change, income changed so that the original optimal bundle is just as affordable. What is the new income, m' ? At (p_{A}, p_{B}', m') what is the new optimal bundle (x_{A}', x_{B}')' Sketch the budget line associated with p_{A}, p_{B}', m' ) . Label the point (x_{A}', x_{B}') as B. 3. Does the substitution effect result in more x_{B} ? How many more or fewer? 4. After the price change, how much x_{A} and x_{B} are actually bought. ( x_{A} ^ prime prime ,x B ^ prime prime )? Sketch the budget line associated with (p_{A}, p_{B}', m) Label the point x_{4} ^ prime prime , x_{R} ^ prime prime ) as C. 5.…arrow_forwardIf bananas are on the x-axis and apples are on the y-axis, then the marginal rate of substitution is (select all that apply): MUa/MUbMUa/MUb MUb/MUaMUb/MUa the absolute value of the slope of the indifference curve that goes through the current consumption bundle.the absolute value of the slope of the indifference curve that goes through the current consumption bundle. the number of apples the consumer is willing to give up to get an additional banana.the number of apples the consumer is willing to give up to get an additional banana. the number of bananas the consumer is willing to give up to get an additional apple.arrow_forwardThe marginal rate of technical substitution Group of answer choices is the rate at which one input must be replaced by a second input in order to maintain the same level of output. is the rate at which one input must be replaced by a second input in order to expand output. indicates what happens to output when all inputs are increased proportionally. is the slope of the isocost curve. is the rate at which consumers are willing trade one unit of a good for another in order to maintain utility.arrow_forward
- You were presented with a utility maximizing rule which states: If you always choose the item with the greatest marginal utility per dollar spent, when your budget is exhausted, the utility maximizing choice should occur where the marginal utility per dollar spent is the same for both goods. That rule is expressed as follows: Group of answer choices (The marginal utility associated with good 1 / the price of good 2) = (the marginal utility associated with good 2 / the price of good 1) % change in price / % change in quantity (The marginal utility associated with good 1 / the price of good 1) = (the marginal utility associated with good 2 / the price of good 2) The marginal utility per dollar of good 1 > the marginal utility per dollar of good 2.arrow_forwardTRUE OR FALSE. *If Marvin likes "puto bumbong" more than "bibingka" while Rey likes "bibingka" more than "puto bumbong, the marginal utility from "puto bumbong" will become zero for Rey at fewer units while the marginal utility from "puto bumbong" of Marvin will become zero at higher units of consumption.arrow_forwardWhich of the following statements is true? Select one or more options: -If two different individuals have exactly the same budget constraint but different preferences (different appearance of the indifference curves) then they will have different equilibrium conditions for optimal choice -The marginal substitution ratio is always equal to 1 for perfect substitutes -If item X costs SEK 10, item Y costs SEK 20 and if the marginal benefit for X is 20 and the marginal benefit for Y is 30, then the individual should buy more of Y and less of X -In the case of a corner solution for an individual, the marginal substitution ratio for two goods is not equal to the relative price of the two goodsarrow_forward
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