A lighthouse projects a beam of light that can be seen by many ships that pass by, providing a benefit to all of them. It is not provided by the government exclusively, nor does it involve competition or exclusion of ships based on payment. Lighthouses are typically maintained by governments or other organizations for the benefit of all mariners.

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A Lighthouse

Question 20

Multiple Choice

A lighthouse

A) can project a light that simultaneously benefits many ships that pass.
B) is a service that is always provided by the government.
C) provides the feature of rivalry in the consumption of light.
D) can easily exclude ships from using its light if the ship owners do not pay.
E) can easily charge its users for the services provided.

Correct Answer: