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Related to Market externality: Positive externality


n. pl. ex·ter·nal·i·ties
a. The condition or quality of being external or externalized.
b. Something that is external.
2. A cost or benefit that affects people other than those involved in the economic activity that produced it and that is not reflected in prices: pollution and other negative externalities.


n, pl -ties
1. the state or condition of being external
2. something external
3. (Philosophy) philosophy the quality of existing independently of a perceiving mind
4. (Economics) an economic effect that results from an economic choice but is not reflected in market prices


(ˌɛk stərˈnæl ɪ ti)

n., pl. -ties.
1. the state or quality of being external or externalized.
2. something external.
4. an often unforeseen external effect accompanying a process.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.externality - the quality or state of being outside or directed toward or relating to the outside or exterior; "the outwardness of the world"
worldliness - concern with worldly affairs to the neglect of spiritual needs; "he disliked the worldliness of many bishops around him"
spatial relation, position - the spatial property of a place where or way in which something is situated; "the position of the hands on the clock"; "he specified the spatial relations of every piece of furniture on the stage"
References in periodicals archive ?
Changes to Medicare or state agency qualification coverage for PERS through the forecast period -Sudden pricing shifts due to industry consolidation, external competition, technology shift, or other unforeseen market externality NOTE -- This report revises our past views on North American PERS market valuation.
Carbon emissions are a market externality that distorts the true cost of production.
In addition, "the removal of a provision in our forms requiring the use of a credit rating to establish eligibility for a type of registration generally reserved for widely followed issuers obviates a market externality that may have constituted a barrier to entry to potential competitors seeking to develop alternative methods of communicating credit-worthiness to investors .