Difference between revisions of "Positive externality"
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(New page: A '''positive externality''' is a benefit to third parties who did not incur the costs of the activity. An example of a '''positive externality''' is music played in a public park, to the...) |
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Revision as of 17:03, December 8, 2007
A positive externality is a benefit to third parties who did not incur the costs of the activity. An example of a positive externality is music played in a public park, to the enjoyment of anyone there or in earshot of the music.
Often externalities are negative rather than positive.