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PAPER CURRENCY: Paper usually issued by the national government that are used as money. Metal coins are also frequently included under the generic heading of currency. Currency in the U.S. economy is issued by the Federal Reserve System (paper) and the U.S. Treasury (coins). This constitutes about 30 to 40 percent of the M1 money supply. Most modern currency is fiat money.
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Lesson 12: Elasticity and Demand | Unit 5: Other Measures
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Page: 24 of 25
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Topic:
Cross Elasticity Of Demand
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- How responsive is my demand to this change in my other prices? To answer these questions, we need the cross elasticity of demand.
- Cross elasticity of demand is the relative response of the demand for one good to changes in the price of another good.
- Or stated in percentage terms: the cross elasticity of demand is the percentage change in demand for one good resulting from a percentage change in the price of another good.
- The cross elasticity of demand is a handy numerical measure commonly used by economists to identify complement and substitute goods:
- For a substitute good, cross elasticity is positive, meaning that an increase in the price of one good leads to an increase in demand for the other good.
- For an complement good, cross elasticity is negative, meaning that an increase in the price of one good leads to a decrease in demand for the other good.
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FREE-RIDER PROBLEM A problem underlying the provision of public goods that occurs when a person consumes or benefits from a good without making payment. The free-rider problem is the primary reason that public goods are produced by governments. Because public goods are characterized by the inability to exclude nonpayers, once a public good is produced anyone, everyone, can consume without making payment, that is, get a "free ride." Voluntary payments like those occurring in markets will not provide enough revenue to pay production costs. The only way to finance public goods is to force free-riders, and everyone else, to pay through government taxes. The free-rider problem also applies to common-property goods.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers trying to buy either a pair of red goulashes with shiny buckles or a handcrafted bird feeder. Be on the lookout for pencil sharpeners with an attitude.
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This isn't me! What am I?
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Lombard Street is London's equivalent of New York's Wall Street.
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"Inside the ring or out, ain't nothing wrong with going down. It's staying down that's wrong. " -- Muhammad Ali
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SFA
Securities and Futures Authority (UK)
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