Positive Externalities
| Private benefits | External benefits |
A beekeeper who keeps bees in order to make honey | Revenue from the sales of honey and other by product | Pollinating agricultural plants which results in a more abundant |
The construction and operation of an airport | Gain more revenue from increasing passengers | Enhanced flight options can attract more tourists, benefiting local hospitality and retail sectors. |
A citizen might be planting trees and flowers in his own garden for his own enjoyment. | Enjoyment for peace and reduce stress, improve their mood, and provide a sense of accomplishment and relaxation. Enhancing their personal enjoyment for their living space. | Air quality gets better. Making the area visually attractive, making others feel happier and more pleasant. |
Some firms build a flood defense | Prevention from flood and defense | Safety for the community nearby. |