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NEED: This is often thought of as a physiological or biological requirement for maintaining life, such as the need for air, water, food, shelter, and sleep. Satisfaction is achieved by fulfilling needs. Physiological needs should be contrasted with psychological wants that make life more enjoyable but are not necessary to stay alive. However, when push comes to shove, and the nitty gets down to the gritty, it matters very little to markets if people need goods or want goods, so long as they are motivated to satisfy them. This motivation is what drives economic activity.
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SUBSTITUTE GOOD In general, one of two (or more) goods that are related in an either/or fashion. In terms of demand, substitute goods are those that provide the same basic satisfaction of a want or need when consumed. In terms of supply, substitute goods are those that use the same resource for production in an exclusionary manner. A substitute good is one of two ways that goods are related. The other is a complement good.
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ORANGE REBELOON [What's This?]
Today, you are likely to spend a great deal of time at the confiscated property police auction seeking to buy either a birthday gift for your aunt or a pair of leather sandals that won't cause blisters. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity. Your Complete Scope
This isn't me! What am I?
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
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"If you worried about falling off the bike, you'd never get on. " -- Lance Armstrong, bicycle racer
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RPI Retail Price Index
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