(d) Find the Hicksian Demand for the interior solutions as a function of Pr, P₂, and Ū, i.e. find (q). What is the Expenditure function E(P₂, P.,Ū)? Hint: you can use MRS = MRT you found in part (a) and solve for q₂ = f(x, Pr, P₂) as this will make finding a solution much easier.
(d) Find the Hicksian Demand for the interior solutions as a function of Pr, P₂, and Ū, i.e. find (q). What is the Expenditure function E(P₂, P.,Ū)? Hint: you can use MRS = MRT you found in part (a) and solve for q₂ = f(x, Pr, P₂) as this will make finding a solution much easier.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
Related questions
Question
can you please explain question d for me and solve it
![1.
This question will let you examine/explore a more interesting utility func-
tion than the simple example discussed in class as there will be both cross-price elas-
ticity and an inferior good. Suppose you are told a consumer has the following utility
function:
U (9219₂) = 9z+√9z+ 9₂
You should assume income is Y, the price of good z is Pr, and the price of good z is
P₂. This question will ask about several concepts discussed in lecture.
(a)
What is the Marshallian demand for goods x and z? I.e. find (qq)
for both interior solutions and corner solutions. Note: the outcome is "ugly"
for the interior section and both corner should include constraints, i.e. limits
using Y relative to f(P, P₂). Hint: if solving using MRS = MRT, can use this
information again in part (d).
(b)
Suppose you are told P₂ = $8 and P₂ = $1. Create a graph showing the
Income Consumption Curve (ICC) for Y = {$12.25, $35, $49, $70, $98). Be sure
to clearly label the graph. Based on the ICC, which of the goods is the inferior
good? Note: this should help with the corner solutions found in part (a), i.e. you
should be able to check the "criteria," i.e. Y vs f(P, P₂).
(c)
Graph the Engel curve for good z from Y = $0 to Y = $100 given
P₁ = $8 and P₂ = $1. Hint: there should be 3 parts as the demand function has
3 parts with the changes to the Engel curve consistent with the outcome in part
(b).
(d)
Find the Hicksian Demand for the interior solutions as a function of
Pr, P₂, and Ū, i.e. find (qq). What is the Expenditure function E(P, P₂, Ū)?
Hint: you can use MRS = MRT you found in part (a) and solve for q₂ =
f(qz, PT, P₂) as this will make finding a solution much easier.
(e)
Using from part (a) and q from part (d) with P₂ = $8, P₂ = $1,
and Y = $70 find what the Substitution Effect and Income Effect from a +$0.05
change in the price of good z. Does your answer make sense? Explain why or
why not. Note: values for q with P₂ = {$0.95, $1.05} are not "nice" values and
you should include 4 decimal places when giving the answer.
(f)
Suppose the consumer's income remains Y = $70, but the price of good
x increases to P₁ = $18 and the price of good z increases to P₂ = $2. What is
the Compensating Variation? What is the Equivalent Variation? Note: given
you found the Expenditure function in part (d), this should be relatively straight
forward.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F277e4f45-bb1a-4445-af5e-47ce42221ffa%2F82d4104e-e824-479c-8248-7d308fd325c9%2Fan4623_processed.png&w=3840&q=75)
Transcribed Image Text:1.
This question will let you examine/explore a more interesting utility func-
tion than the simple example discussed in class as there will be both cross-price elas-
ticity and an inferior good. Suppose you are told a consumer has the following utility
function:
U (9219₂) = 9z+√9z+ 9₂
You should assume income is Y, the price of good z is Pr, and the price of good z is
P₂. This question will ask about several concepts discussed in lecture.
(a)
What is the Marshallian demand for goods x and z? I.e. find (qq)
for both interior solutions and corner solutions. Note: the outcome is "ugly"
for the interior section and both corner should include constraints, i.e. limits
using Y relative to f(P, P₂). Hint: if solving using MRS = MRT, can use this
information again in part (d).
(b)
Suppose you are told P₂ = $8 and P₂ = $1. Create a graph showing the
Income Consumption Curve (ICC) for Y = {$12.25, $35, $49, $70, $98). Be sure
to clearly label the graph. Based on the ICC, which of the goods is the inferior
good? Note: this should help with the corner solutions found in part (a), i.e. you
should be able to check the "criteria," i.e. Y vs f(P, P₂).
(c)
Graph the Engel curve for good z from Y = $0 to Y = $100 given
P₁ = $8 and P₂ = $1. Hint: there should be 3 parts as the demand function has
3 parts with the changes to the Engel curve consistent with the outcome in part
(b).
(d)
Find the Hicksian Demand for the interior solutions as a function of
Pr, P₂, and Ū, i.e. find (qq). What is the Expenditure function E(P, P₂, Ū)?
Hint: you can use MRS = MRT you found in part (a) and solve for q₂ =
f(qz, PT, P₂) as this will make finding a solution much easier.
(e)
Using from part (a) and q from part (d) with P₂ = $8, P₂ = $1,
and Y = $70 find what the Substitution Effect and Income Effect from a +$0.05
change in the price of good z. Does your answer make sense? Explain why or
why not. Note: values for q with P₂ = {$0.95, $1.05} are not "nice" values and
you should include 4 decimal places when giving the answer.
(f)
Suppose the consumer's income remains Y = $70, but the price of good
x increases to P₁ = $18 and the price of good z increases to P₂ = $2. What is
the Compensating Variation? What is the Equivalent Variation? Note: given
you found the Expenditure function in part (d), this should be relatively straight
forward.
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