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The local zoo has hired you to assist them in setting admission prices. The zoo\

ID: 1206441 • Letter: T

Question

The local zoo has hired you to assist them in setting admission prices. The zoo's managers recognize that there are two distinct demand curves for zoo admission. One demand curve applies to those ages 12 to 64, while the other is for children and senior citizens. The two demand and marginal revenue curves are:

            PA = 9.6 - 0.08QA

            MRA = 9.6 - 0.16QA

            PCS = 4 - 0.05QCS

            MRCS = 4 - 0.10QCS                        

where PA = adult price, PCS = children's/senior citizen's price, QA = daily quantity of adults, and QCS = daily quantity of children and senior citizens. Crowding is not a problem at the zoo, so that the managers consider marginal cost to be zero.

Hint: Whenever inverse demand is P=a-bQ, marginal revenue is MR=a-2bQ               

a. To start, what is the total revenue that would be collected if the zoo decides not to price discriminate?

b.   If the zoo decides to price discriminate, what are the profit maximizing price and quantity in each market? Calculate total revenue in each sub-market. How does the total compare to the total revenue from part (a)?

c.    What is the elasticity of demand at the quantities calculated in (b) for each market. Are these elasticities consistent with your understanding of profit maximization and the relationship between marginal revenue and elasticity?

Explanation / Answer

a) if monopoist choses single price we assume it to be where MR=MC

  

b) MRA=MRCS=MC

setting MRA=0

MRA = 9.6 - 0.16QA =0

QA=60

PA = 9.6 - 0.08QA

=9.6-0.08*60

=4.8

MRCS = 4 - 0.10QCS=0

=4-.10QCS=0

QCS=40

PCS = 4 - 0.05QCS

=4-0.05*40

=4-2

=2

TR=60*4.8+40*2

=288+80

=368$

Answer c) to know elasticities we will solve for Q

PA = 9.6 - 0.08QA 0

0.08QA=9.6-PA

QA=9.6/0.08-1/0.08PA

=120-12.5PA

Ed=change in quqntity / change in price

=-12.50*4.8/60

1

thus it is unitary elastic

PCS = 4 - 0.05QCS

QCS= (4-PCS)1/0.05

=80-20PCS

Ed=-20*2/40

=1

yes it is consistent, MR=MC=0