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Scenario 5-4 ​

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Scenario 5-4

Consider the markets for mobile and landline telephone service. Suppose that when the average income of residents of Plainville is $55,000 per year, the quantity demanded of landline telephone service is 12,500 and the quantity demanded of mobile service is 28,000. Suppose that when the price of mobile service rises from $100 to $120 per month, the quantity demanded of landline service decreases to 11,000. Suppose also that when the average income increases to $60,000, the quantity demanded of mobile service increases to 33,000.
-Refer to Scenario 5-6. Considering the cross price elasticity of demand for mobile and landline telephone service, is the cross price elasticity of demand positive or negative and do the consumers of Plainville regard these goods as substitutes or complements?


Definitions:

Red Triangle

The Red Triangle refers to a geographic area in the Pacific Ocean off the coast of Northern California, noted for a high number of great white shark attacks.

Plate Boundaries

The edges where two tectonic plates meet, characterized by seismic and volcanic activity due to plate interactions such as divergence, convergence, or transformation.

Volcano

a geological formation that occurs when magma from within the Earth's mantle or crust escapes to the surface, often resulting in eruptions.

Plate Boundaries

The edges where two tectonic plates meet, often associated with earthquakes and volcanic activity.

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