The typical customer of an amusement park has a demand for rides of qD = 30 – 10PD where q is measured in number of rides and P in dollars per ride. a. Suppose the marginal cost of any ride is $2. How much should the amusement park charge in admission fee? Clearly explain.
b. Suppose instead the marginal cost of a ride increases with the overall number of rides according to the schedule MC = $2 + 0.001Q where Q is the overall number of rides. If the amusement park has 100 visitors, how much should the park charge per ride? How much should it charge as admission fee?
This is an example of two-part tariff pricing startegy where
Change per ride (P) = MC and Admission fee = Consumer surplus (CS)
(a) qD = 30 - 10PD
10PD = 30 - qD
PD = 3 - 0.1qD
Equating PD and MC,
3 - 0.1qD = 2
0.1qD = 1
qD = 10
From demand function, when qD = 0, PD = 3 (Reservation price)
Admission fee (CS) = Area between demand curve & price = (1/2) x $(3 - 2) x 10 = 5 x $1 = $5
(b) MC = 2 + 0.001Q
When Q = 100, MC = 2 + (0.001 x 100) = 2 + 0.1 = $2.1
Equating PD with MC,
PD = $2.1
Admission fee (CS) = (1/2) x $(3 - 2.1) x 100 = 50 x $0.9 = $45
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