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Definition of 'Externality'
A consequence of an economic activity that is experienced by unrelated third parties. An externality can be either positive or negative.
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Investopedia explains 'Externality'
Pollution emitted by a factory that spoils the surrounding environment and affects the health of nearby residents is an example of a negative externality. An example of a positive externality is the effect of a well-educated labor force on the productivity of a company.
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Learn economics principles such as the relationship of supply and demand, elasticity, utility, and more!
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It is possible to avoid unethical investments and still profit from mutual funds. Find out how!
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Sin stocks may seen outright undesirable to some, but these "naughty" industries bring stable returns - even in hard times.
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