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HIERARCHY OF NEEDS: Developed by Abraham Maslow, the notion that people are motivated to satisfy basic physiological needs (food, shelter, etc.) before moving on to satisfying higher psychological needs (security, companionship, etc.). These alternative needs are layered in a hierarchial pattern with physiological needs on the bottom, safety needs on the second layer, belonging needs on the third layer, esteem needs on the fourth layer, and self-actualization needs at the top. This hierarchy of needs has been used to help explain the progress of human societies from agrarian to manufacturing to service to information.
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SWITCHING POINT: The price/time at which the economy switches from the use of one (usually finite) natural resource to a substitute resource. The switching point is reached because increases in scarcity rent and marginal extraction cost cause a gradual depletion of a finite natural resource. As the price rises, buyers search for less expensive substitutes. Eventually the price of a finite resource is equal to the price of a substitute resource. This is the switching point. For example, we are not likely to awaken one day to discover the world's oil supply is gone. Before such time occurs, we will have switched to substitute products like oil shale, gasohol, geothermal, or solar. See also | price | natural resources | scarcity rent | backstop resource | materials balance | recycling |  Recommended Citation:SWITCHING POINT, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 15, 2025].
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THIRD RULE OF INEQUALITY The third of seven basic rules of the economy, stating that resources, income, and wealth are not equally distributed. Some people have more resources, income, and wealth and some people have less. Such inequality is due to natural abilities, acquired talents, market control, political power, and sheer luck.
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GRAY SKITTERY [What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a birthday greeting card for your grandfather or a weathervane with a cow on top. Be on the lookout for neighborhood pets, especially belligerent parrots. Your Complete Scope
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"The time to repair the roof is when the sun is shining." -- John F. Kennedy, 35th U. S. president
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AEA American Economic Association
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