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POINT ELASTICITY: The relatively responsiveness of a change in one variable (call it B) to an infinitesimally small change in another variable (call it A). The notion of point elasticity typically comes into play when discussing the elasticity at a specific point on a curve.< P>Point elasticity can be calculated in a number of different ways. Sophisticated economists, using sophisticated mathematical techniques (better known as calculus) can calculate point elasticity by taking derivatives of equations. Derivatives is fancy calculus talk for infinitesimally small changes.

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FOREIGN EXCHANGE

A common term for the currency used in "another country" and is in direct contrast to the "domestic currency" used within a given country. More generally, foreign exchange is any financial instrument that gives one country a claim on the currency of another country and which is used to make payments between countries. The most important type of foreign exchange is, of course, the currency of other countries. However foreign exchange also includes financial assents such as bank deposits denominated in another currency. Foreign exchange is appropriately traded through the foreign exchange market and the price of foreign currency is termed the foreign exchange rate.

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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites seeking to buy either a looseleaf notebook binder or hand lotion, a big bottle of hand lotion. Be on the lookout for jovial bank tellers.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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