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point price elasticity of demand for Fantasy pinball machines

The following demand function has been estimated for Fantasy pinball machines:

QD = 3,500 - 40P + 17.5Px + 670U + .0090A + 6,500N
where P = monthly rental price of Fantasy pinball machines
Px = monthly rental price of Old Chicago pinball machines (their largest competitor)
U = current unemployment rate in the 10 largest metropolitan areas
A = advertising expenditures for Fantasy pinball machines
N = fraction of the U.S. population between ages 10 and 30

What is the point price elasticity of demand for Fantasy pinball machines when P = $150, Px = $100, U = .12, A = $200,000 and N = .35?

a -3.52

b -1.76

c 1.76

d 0.88

Solution Summary

This job determines the point price elasticity of demand for Fantasy pinball machines.

$2.19