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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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DEMAND ELASTICITY AND TOTAL EXPENDITURE The notion that price-induced changes in total expenditure (price times quantity) depend on the relative price elasticity of demand. If demand is relatively elastic, then changes in price cause total expenditure to change in the opposite direction. If demand is relatively inelastic, then changes in price cause total expenditure to change in the same direction. If demand is unit elastic, then changes in price do not cause any change in total expenditure.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either a three-hole paper punch or decorative picture frames. Be on the lookout for infected paper cuts.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there. " -- Albert Einstein, physicist
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BIS
Bank for International Settlements
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