Question

In: Economics

An amusement park, whose customer set is made up of two markets, adults and children, has...

An amusement park, whose customer set is made up of two markets, adults and children, has developed demand schedules as follows: Price ($) Quantity Adults Children 5 15 20 6 14 18 7 13 16 8 12 14 9 11 12 10 10 10 11 9 8 12 8 6 13 7 4 14 6 2 The marginal operating cost of each unit of quantity is $5. Because marginal cost is a constant, so is average variable cost. Ignore fixed costs. The owners of the amusement part want to maximize profits. Calculate the price, quantity, and profit if: The amusement park charges a different price in each market. The amusement park charges the same price in the two markets combined. Explain the difference in the profit realized under the two situations.

Solutions

Expert Solution

a) In case of price discrimination,

A monopolist maximizes its profit by increasing output as long as MR is higher or equal to MC.

Since there are two segments, monopolist will maximize profit in each segment.

P Adults, Qa Children, Qc TRa=P*Qa TRc=P*Qc MRa=Change in TRa/Change in Qa MRc=Change in TRc/Change in Qc
14 6 2 84 28
13 7 4 91 52 7 12
12 8 6 96 72 5 10
11 9 8 99 88 3 8
10 10 10 100 100 1 6
9 11 12 99 108 -1 4
8 12 14 96 112 -3 2
7 13 16 91 112 -5 0
6 14 18 84 108 -7 -2
5 15 20 75 100 -9 -4

In case of adults, MR is equal to MC ($5) for Qa=8 but MR is less than MC in case of Qa=9, Optimal output, Qa=8 in this segment.

So, monopolist chooses price corresponding to this level i.e. $12 for adults.

Similarly, in case of children, MR is higher than MC ($5) for Qc=10 but MR is less than MC in case of Qc=12, Optimal output, Qc=10 in this segment.

So, monopolist chooses price corresponding to this level i.e. $10 for children

Total Cost=Qa*Pa+QcPc-(Qa+Qc)*MC=8*12+10*10-(8+10)*5.=$106

b)

P Adults, Qa Children, Qc Total Demand, Q=Qa+Qc TR=P*Q MR=Change in TR/Change in Q
14 6 2 8 112
13 7 4 11 143 10.33
12 8 6 14 168 8.33
11 9 8 17 187 6.33
10 10 10 20 200 4.33
9 11 12 23 207 2.33
8 12 14 26 208 0.33
7 13 16 29 203 -1.67
6 14 18 32 192 -3.67
5 15 20 35 175 -5.67

In case of uniform pricing, monopolist increases its output level as long as MR>MC or MR=MC.

We can see that at MR<MC for Q=20. So, optimal Q=17. Corresponding price is $11

Total Profit=11*17-5*17=$102

We can say that profit is higher in case of price discrimination based upon age in this case.


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