Externality

Filed Under »
Dictionary Says

Definition of 'Externality'

A consequence of an economic activity that is experienced by unrelated third parties. An externality can be either positive or negative.
Investopedia Says

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.

Related Definitions

  • Uneconomic Growth

    When economic growth produces negative external consequences to the extent that the growth is unproductive with respect to the broader global systems in which it is viewed. Uneconomic ...
    Read More »
  • Macroeconomics

    The field of economics that studies the behavior of the aggregate economy. Macroeconomics examines economy-wide phenomena such as changes in unemployment, national income, rate of ...
    Read More »
  • Microeconomics

    The branch of economics that analyzes the market behavior of individual consumers and firms in an attempt to understand the decision-making process of firms and households. It is ...
    Read More »
    • True Cost Economics

      An economic model that seeks to include the cost of negative externalities into the pricing of goods and services. Supporters of this type of economic system feel products and activities ...
      Read More »
    • Land Rehabilitation

      A re-engineering process that attempts to restore an area of land back to its natural state after it has been damaged as a result of some sort of disruption. The process involves such ...
      Read More »
    • Pigovian Tax

      A special tax that is often levied on companies that pollute the environment or create excess social costs, called negative externalities, through business practices. In a true market ...
      Read More »
    • Marginal Social Cost - MSC

      The total cost to society as a whole for producing one further unit, or taking one further action, in an economy. This total cost of producing one extra unit of something is not simply ...
      Read More »
    • Impact Fee

      A fee imposed on property developers by municipalities for the new infrastructure that must be built or increased due to new property development. These fees are designed to offset the ...
      Read More »
    • Social Good

      A good or service that benefits the largest number of people in the largest possible way. Some classic examples of social goods are clean air, clean water and literacy; in addition, many ...
      Read More »
    • External Economies Of Scale

      The lowering of a firm's costs due to external factors. External economies of scale will increase the productivity of an entire industry, geographical area or economy. The external ...
      Read More »

Articles Of Interest

Partner Links