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ARC ELASTICITY: The average elasticity for discrete changes in two variables, A and B. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of the initial and ending values of each variable, rather than only initial values. Arc elasticity is generally calculated using the midpoint formula. Arc elasticity should be compared with point elasticity. For infinitesimally small changes in variables A and B, arc elasticity is the same as point elasticity.
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MARKET ADJUSTMENT The economic analysis of changes in market equilibrium caused by changes in any of the five demand determinants and/or the five supply determinants. Market adjustment comes in one of eight varieties, given that the two curves comprising the market (demand curve and supply curve) can either increase or decrease, individually or simultaneously. Four adjustments involve a shift of EITHER the demand curve OR the supply curve. The other four adjustments involve shifts of BOTH the demand curve AND the supply curve.
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PINK FADFLY [What's This?]
Today, you are likely to spend a great deal of time looking for a downtown retail store wanting to buy either a flower arrangement for your aunt or a birthday greeting card for your uncle. Be on the lookout for poorly written technical manuals. Your Complete Scope
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A half gallon milk jug holds about $50 in pennies.
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"There is no passion to be found playing small ‚ in settling for a life that idles than the one you are capable of living." -- Nelson Mandela
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JEH Journal of Economic History
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