Principles of Economics, 7th Edition (MindTap Course List)
7th Edition
ISBN: 9781285165875
Author: N. Gregory Mankiw
Publisher: Cengage Learning
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Chapter 22, Problem 5PA
To determine
The validation of the statement based on Arrow's impossibility theorem.
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Ken walks into an ice-cream parlor.Waiter: “We have vanilla and chocolate today.”Ken: “I’ll take vanilla.”Waiter: “I almost forgot. We also have strawberry.”Ken: “In that case, I’ll take chocolate.”What standard property of decision making is Kenviolating? (Hint: Reread the section on Arrow’simpossibility theorem.)
Suppose that 2 roommates, Andy and Bob, are trying to pick an apartment in Chicago. Locations can be chosen from set of alternatives A={ x: x exists [0,1]}. Andy and Bob both want to minimize their daily commute but they work at different locations: Andy at xA=0.3, while Bob at xB=0.6. Specifically, their utility functions are: ui(x)= -(x-xi)2.
Question: What is the set of all Pareto Efficient outcomes in A, assuming no money can be exchanged.
Tom and Jerry are room mates. They spend a total of 80 hours a week together in
their room. Tom likes loud music, even when he sleeps. His utility function is
UT(CT, M) = CT + M,
where CT is the number of cookies he eats per week and M is the number of hours of
loud music per week that is played while he is in their room. Jerry hates all kinds of
music. His utility function is
M²
12
UJ = CJ
Every week, Tom and Jerry each get 12 chocolate chip cookies sent from home. They
have no other source of cookies. We can describe this situation with a box that looks
like an Edgeworth box. The box has cookies on the horizontal axis and hours of music
on the vertical axis. Let the bottom-left corner be the origin for Tom, and the
bottom-right corner be the origin for Jerry.
Suppose the dorm's policy is "rock-n-roll is good for the soul." Thus, M=80 in the
initial endowment. Consider a trade between Tom and Jerry: Jerry gives Tom one
cookie for reducing one hour of music. Then the change in Jerry's…
Chapter 22 Solutions
Principles of Economics, 7th Edition (MindTap Course List)
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- You are considering going to a football game. However, the roads are cover in ice due to bad weather. Your ticket was a gift. You derive a value of z from attending the game, and a cost of D for driving on the icy roads. Your utility function is given by: ug(Z) + ui(D) = In(Z - 3) - In(2 - D). In your ultimate wisdom, you calculate that the cost of driving on the icy roads is 1 unit (So, D=1). What is the minimum value you must obtain from attending the game, so that you decide to go? Solution sent me fast ..arrow_forwardIn Las Vegas, roulette is played on a wheel with 38 slots, of which 18 are black, 18 are red, and 2 are green (zero and double-zero). Your friend impulsively takes all $361 out of his pocket and bets it on black, which pays 1 for 1. This means that if the ball lands on one of the 18 black slots, he ends up with $722, and if it doesn't, he ends up with nothing. Once the croupier releases the ball, your friend panics; it turns out that the $361 he bet was literally all the money he has. While he is risk-averse - his utility function is u(x) =, where x is his roulette payoff - you are effectively risk neutral over such small stakes. a. When the ball is still spinning, what is the expected profit for the casino? b. When the ball is still spinning, what is the expected value of your friend's wealth? c. When the ball is still spinning, what is your friend's certainty equivalent (i.e., how much money would he accept with certainty to walk away from his bet). Say you propose the following…arrow_forwardNicolaus I Bernoulli offers his friend Pierre Rémond de Montmort a game where they need to repeatedly toss a fair ducat until they get a head for the first time. The game stops then, and they count the number n of coin tosses it took to get the desired outcome, and Montmort gets 2^n ducats. Assume that Montmort's utility function is u(w)=w^0.14. How much should Montmort pay to play this game?arrow_forward
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