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MARKET SHOCK: A disruption of market equilibrium (that is, a market adjustment) caused by a change in a demand determinant (and a shift of the demand curve) or a change in a supply determinant (and a shift of the supply curve). A market shock can take one of four forms--an demand increase, demand decrease, supply increase, or supply decrease. An increase is seen as a rightward shift of either curve and results in an increase in equilibrium quantity. A decrease is a leftward shift of either curve and results in a decrease in equilibrium quantity. However, a change in demand results in price and quantity to change in the same direction, while a change in supply causes equilibrium price to move the opposite direction as quantity.
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PUBLIC GOOD: A good that's difficult to keep nonpayers from consuming (excludability), and use of the good by one person doesn't prevent use by others (rival consumption). Examples include national defense, a clean environment, and any fourth of July fireworks display. Public goods are invariably provided by government because there's no way a private business can profitably produce them. Private businesses can't sell public goods in markets, because they can't charge a price and keep nonpaying people away. Moreover, businesses shouldn't charge a price, because there's no opportunity cost for extra consumers. For efficiency, government needs to pay for public goods through taxes. See also | good types | excludability | rival consumption | efficiency | market | exchange | market failure | common-property good | near-public good | private good | free-rider problem |
Recommended Citation:PUBLIC GOOD, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: May 15, 2025].
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CONSUMER CONFIDENCE, AGGREGATE EXPENDITURES DETERMINANT One of several specific aggregate expenditures determinants assumed constant when the aggregate expenditures line is constructed, and that shifts the aggregate expenditures line when it changes. An increase in consumer confidence causes an increase (upward shift) of the aggregate expenditures line. A decrease in consumer confidence causes a decrease (downward shift) of the aggregate expenditures line. Other notable aggregate expenditures determinants include interest rates, federal deficit, inflationary expectations, and exchange rates.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either a genuine down-filled comforter or a 200-foot blue garden hose. Be on the lookout for telephone calls from former employers.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"I don't know the key to success, but the key to failure is trying to please everybody. " -- Bill Cosby
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AFBD
Association of Futures Brokers and Dealers (UK)
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