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  2. Ray-Ban - Wikipedia

    en.wikipedia.org/wiki/Ray-Ban

    Ray-Ban is a brand of luxury sunglasses and eyeglasses created in 1936 by Bausch & Lomb. The brand is best known for its Wayfarer and Aviator lines of sunglasses. In 1999, Bausch & Lomb sold the brand to Italian eyewear conglomerate Luxottica Group for a reported $640 million.

  3. Freakonomics - Wikipedia

    en.wikipedia.org/wiki/Freakonomics

    Freakonomics: A Rogue Economist Explores the Hidden Side of Everything is the debut non-fiction book by University of Chicago economist Steven Levitt and New York Times journalist Stephen J. Dubner. Published on April 12, 2005, by William Morrow, the book has been described as melding pop culture with economics. [1]

  4. Shrinkflation - Wikipedia

    en.wikipedia.org/wiki/Shrinkflation

    In economics, shrinkflation, also known as package downsizing, weight-out, and price pack architecture is the process of items shrinking in size or quantity while the prices remain the same. The word is a portmanteau of the words shrink and inflation. Skimpflation involves a reformulation or other reduction in quality.

  5. Price elasticity of demand - Wikipedia

    en.wikipedia.org/wiki/Price_elasticity_of_demand

    A good's price elasticity of demand ( , PED) is a measure of how sensitive the quantity demanded is to its price. When the price rises, quantity demanded falls for almost any good ( law of demand ), but it falls more for some than for others. The price elasticity gives the percentage change in quantity demanded when there is a one percent ...

  6. Real prices and ideal prices - Wikipedia

    en.wikipedia.org/wiki/Real_prices_and_ideal_prices

    The distinction between real prices and ideal prices is a distinction between actual prices paid for products, services, assets and labour (the net amount of money that actually changes hands), and computed prices which are not actually charged or paid in market trade, although they may facilitate trade. [1]

  7. Ray-Ban Wayfarer - Wikipedia

    en.wikipedia.org/wiki/Ray-Ban_Wayfarer

    Ray-Ban Wayfarer sunglasses and eyeglasses have been manufactured by Ray-Ban since 1952. Made popular in the 1950s and 1960s by music and film icons such as Buddy Holly , Roy Orbison and James Dean , Wayfarers almost became discontinued in the 1970s, before a major resurgence was created in the 1980s through massive product placements .

  8. Market failure - Wikipedia

    en.wikipedia.org/wiki/Market_failure

    Market failure. While factories and refineries provide jobs and wages, they are also an example of a market failure, as they impose negative externalities on the surrounding region via their airborne pollutants. In neoclassical economics, market failure is a situation in which the allocation of goods and services by a free market is not Pareto ...

  9. Substitution effect - Wikipedia

    en.wikipedia.org/wiki/Substitution_effect

    Substitution effect. In economics and particularly in consumer choice theory, the substitution effect is one component of the effect of a change in the price of a good upon the amount of that good demanded by a consumer, the other being the income effect . When a good's price increases, if hypothetically the same consumption bundle were to be ...