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Exam 36: Asymmetric Information-Part A

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Question 21

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In Rustbucket, Michigan, there are 200 used cars for sale; half of these cars are good and half of them are lemons.Owners of lemons are willing to sell them for $500.Owners of good used cars are willing to sell them for prices above $1,300 but will keep them if the price is lower than $1,300.There is a large number of potential buyers who are willing to pay $600 for a lemon and $2,300 for a good car.Buyers can't tell good cars from bad, but original owners know.

A) There will be an equilibrium in which lemons sell for $500 and good used cars sell for $1,300.
B) There will be an equilibrium in which all used cars sell for $1,450.
C) The only equilibrium is one in which all used cars on the market are lemons and they sell for $600.
D) There will be an equilibrium in which all used cars sell for $900.
E) There will be an equilibrium in which lemons sell for $600 and good used cars sell for $2,300.

F) C) and E)
G) A) and D)

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Question 22

Multiple Choice

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In Rustbucket, Michigan, there are 200 used cars for sale; half of these cars are good and half of them are lemons.Owners of lemons are willing to sell them for $500.Owners of good used cars are willing to sell them for prices above $1,100 but will keep them if the price is lower than $1,100.There is a large number of potential buyers who are willing to pay $600 for a lemon and $1,700 for a good car.Buyers can't tell good cars from bad, but original owners know.

A) There will be an equilibrium in which all used cars sell for $800.
B) There will be an equilibrium in which lemons sell for $500 and good used cars sell for $1,100.
C) There will be an equilibrium in which all used cars sell for $1,150.
D) The only equilibrium is one in which all used cars on the market are lemons and they sell for $600.
E) There will be an equilibrium in which lemons sell for $600 and good used cars sell for $1,700.

F) B) and E)
G) A) and C)

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Question 23

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There are two types of used cars, high quality and low quality.Buyers cannot distinguish the two types until after they have purchased them.Owners of high-quality cars will sell them if the price is $2,000 or higher.Owners of low-quality cars will sell them if the price is $1,000 or higher.Buyers value a high-quality used car at $1,942 and a low-quality used car at $1,200.Suppose that 70% of used cars are of high quality and 30% of used cars are of low quality.In equilibrium,

Ten workers work jointly on a project.All 10 workers are equally skilled.The total value of the output produced is $90 times the sum of the number of hours worked by all 10 workers.Each worker's utility is equal to his income minus the square of the number of hours he works.Each worker is selfish.The employers have no way of keeping track of any individual's work effort, so they decide to let each person work as long as he wants to and they divide the total value of the output equally among the workers.How much income will each worker get?

Suppose that in Enigma, Ohio, klutzes have a productivity of $1,000 and kandos have a productivity of $4,000 per month.You can't tell klutzes from kandos by looking at them or asking them, and it is too expensive to monitor individual productivity.Kandos, however, have more patience than klutzes.Listening to an hour of dull lectures is as bad as losing $250 for a klutz and $100 for a kando.There will be a separating equilibrium in which anybody who attends a course of H hours of lectures is paid $4,000 per month and anybody who does not is paid $1,000 per month

An example of adverse selection is the situation where someone chooses a car that is not as good as it is claimed to be.

In a market where there is signaling, a separating equilibrium occurs when economic agents separate their actions as consumers from their actions as producers.

In Rustbucket, Michigan, there are 200 used cars for sale; half of these cars are good and half of them are lemons.Owners of lemons are willing to sell them for $100.Owners of good used cars are willing to sell them for prices above $1,500 but will keep them if the price is lower than $1,500.There is a large number of potential buyers who are willing to pay $300 for a lemon and $1,900 for a good car.Buyers can't tell good cars from bad, but original owners know.

There are two types of used cars, high quality and low quality.Buyers cannot distinguish the two types until after they have purchased them.Owners of high-quality cars will sell them if the price is $2,000 or higher.Owners of low-quality cars will sell them if the price is $1,000 or higher.Buyers value a high-quality used car at $4,266 and a low-quality used car at $1,200.Suppose that 30% of used cars are of high quality and 70% of used cars are of low quality.In equilibrium,

Suppose that in New Crankshaft, Pennsylvania, the quality distribution of the 8,000 used cars on the market is such that the number of used cars of value less than V is V/2.Original owners must sell their used cars.Original owners know what their cars are worth, but buyers can't determine a car's quality until they buy it.An owner can either take his car to an appraiser and pay the appraiser $100 to appraise the car (accurately and credibly) or sell the car unappraised.In equilibrium, car owners will have their cars appraised if and only if the car's value is at least

Ten workers work jointly on a project.All 10 workers are equally skilled.The total value of the output produced is $70 times the sum of the number of hours worked by all 10 workers.Each worker's utility is equal to his income minus the square of the number of hours he works.Each worker is selfish.The employers have no way of keeping track of any individual's work effort, so they decide to let each person work as long as he wants to and they divide the total value of the output equally among the workers.How much income will each worker get?