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REAL INTEREST RATE: The market, or nominal interest rate, after adjusting for inflation. This is the interest rate lenders receive and borrowers pay expressed in real dollars. There two ways to think about the real interest rate, (1) the historical, after-the-fact, interest rate and (2) the desired interest rate lenders and borrowers have in mind when entering into a loan. The first one tells us the purchasing power of any interest payments received or paid. The second way of looking at the real interest rate is based on expectations of the future.

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HERFINDAHL INDEX

A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.

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Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a genuine down-filled pillow or one of those "hang in there" kitty cat posters. Be on the lookout for attractive cable television service repair people.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
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