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  2. Black swan theory - Wikipedia

    en.wikipedia.org/wiki/Black_swan_theory

    The black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight. The term is based on a Latin expression which presumed that black swans did not exist. The expression was used until ...

  3. Physical change - Wikipedia

    en.wikipedia.org/wiki/Physical_change

    Crystals in metals have a major effect of the physical properties of the metal including strength and ductility. Crystal type, shape and size can be altered by physical hammering , rolling and by heat

  4. List of effects - Wikipedia

    en.wikipedia.org/wiki/List_of_effects

    Sound effect (film techniques) (sound effects) (sound production) (special effects) Southwest effect, The (airline terminology) (Southwest Airlines) Spacing effect (cognitive biases) (educational psychology) (psychological theories) Special effect (animation) (special effects) Spin Hall effect (condensed matter physics) (Hall effect) (physics ...

  5. Causality - Wikipedia

    en.wikipedia.org/wiki/Causality

    Causality is an influence by which one event, process, state, or object (a cause) contributes to the production of another event, process, state, or object (an effect) where the cause is at least partly responsible for the effect, and the effect is at least partly dependent on the cause. [1]

  6. Unintended consequences - Wikipedia

    en.wikipedia.org/wiki/Unintended_consequences

    An erosion gully in Australia caused by rabbits, an unintended consequence of their introduction as game animals. In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences, more colloquially called knock-on effects) are outcomes of a purposeful action that are not intended or foreseen.

  7. Barriers to entry - Wikipedia

    en.wikipedia.org/wiki/Barriers_to_entry

    Seller concentration - Seller concentration can have a major effect on new entrants, making it difficult for them to enter the market, contributing further to seller concentration. [ 10 ] Divisionalization - Typically in highly profitable oligopolistic industries , it is cheaper for an incumbent to establish a new department than it would be ...

  8. AOL

    search.aol.com

    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  9. Drug interaction - Wikipedia

    en.wikipedia.org/wiki/Drug_interaction

    A popular example of drug–food interaction is the effect of grapefruit on the metabolism of drugs. Interactions may occur by simultaneous targeting of receptors , directly or indirectly. For example, both Zolpidem and alcohol affect GABA A receptors , and their simultaneous consumption results in the overstimulation of the receptor, which can ...