Which of the following is an example of a positive externality?

A) Local high school teachers have pizza delivered every Friday for lunch.
B) Your neighbor plants a nice garden in front of his house.
C) An avid fisherman buys new fishing gear for his next fishing trip.
D) A local manufacturing plant pollutes a nearby stream.

Positive Externality

A beneficial effect experienced by a third-party or the society at large, as a result of an economic activity, that isn't reflected in the cost.

Garden

A planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature.

Pizza Delivered

A service where a pizza is prepared, baked, and brought to the customer's location by a restaurant or pizzeria.