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ENDPOINT FORMULA: A simple technique for calculating the coefficient of elasticity that estimates the elasticity for discrete changes in two variables, A and B. The distinguishing characteristic of this formula is that percentage changes are calculated based on the initial values of each variable. This is much simpler than the midpoint formula, which is based on the percentage change from an average of the initial and ending values. The primary problem with the endpoint formula is that different elasticity values are obtained for price increases than for price decreases of the same segment of the demand curve.

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SURVEY WEEK, CURRENT POPULATION SURVEY

The calendar week (Sunday through Saturday) containing the 19th day of the month that is used to conduct the Current Population Survey (CPS). This is the time period in which CPS interviews contact occupants of 60,000 households included in the survey. The survey questions posed by the interviewers then refer to the employment activities of the respondents during the previous calendar week, which is the termed the reference week. The activities of survey respondents during the reference week are the source of information used to estimate the unemployment rate and other employment information generated by the CPS.

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Today, you are likely to spend a great deal of time wandering around the downtown area wanting to buy either a large green chalkboard shaped like the state of Maine or a replacement battery for your pocket calculator. Be on the lookout for telephone calls from long-lost relatives.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
"You need just the right amount of ambition . . . If you have too little ambition, you don't push or work hard. If you have too much ambition, you put yourself ahead of others, elbow them out of your way. "

-- Andy Grove, Intel chairman and co-founder

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