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SDR: The abbreviation for Special Drawing Rights, which is a system of accounts nations have with International Monetary Fund that are used to settle any balance of payments deficits. In essence, SDRs are simply an international currency that makes it easier to conduct all sorts of international transactions. In decades past, when gold was used as the primary international currency, any balance of payments deficits was paid with gold. However, in 1967 this system of SDRs was established in lieu of sending gold all over the globe.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.

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BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a wall poster commemorating the 2000 Presidential election or a rechargeable flashlight. Be on the lookout for cardboard boxes.
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This isn't me! What am I?

It's estimated that the U.S. economy has about $20 million of counterfeit currency in circulation, less than 0.001 perecent of the total legal currency.
"The secret of a good memory is attention, and attention to a subject depends upon our interest in it. We rarely forget that which has made a deep impression on our minds. "

-- Tyron Edwards, theologian

LAN
Locally Asymptotically Normal
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