Definition of externality in US English:



  • 1Economics
    A side effect or consequence of an industrial or commercial activity that affects other parties without this being reflected in the cost of the goods or services involved, such as the pollination of surrounding crops by bees kept for honey.

    • ‘The first is to address negative externalities that aren't reflected in market prices.’
    • ‘Network externalities occur when markets characterized by network effects fail to allocate resources properly.’
    • ‘Governments can set water prices but this will only achieve efficient prices if the environmental externalities can be measured accurately.’
    • ‘In contrast, standards and network externalities do not affect biotechnology industry dynamics.’
    • ‘But ASI forgets that economic activity produces externalities; real costs to third parties.’
    consequence, result, upshot, outcome, out-turn, effect, repercussion, reverberations, sequel, product, by-product, spin-off, conclusion, end, end result
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  • 2Philosophy
    The fact of existing outside the perceiving subject.

    • ‘Furthermore, Bourdieu speaks of habitus, a social space and a disposition to act in certain ways, which is the result of the internalization of externality and the externalization of interiority.’
    • ‘It is desire that opens up the moment of externality, or the reaching beyond the limits of the subject.’
    • ‘And there is a particular kind of negative externality.’
    • ‘Moreover, a theoretical link has been established between externality and the etiology of depression.’
    • ‘This fracturing of the sovereign self signals the demise of that spectacular and unique persona and the displacement of regal externality by what Francis Barker has called ‘an interior subjectivity.’’