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BACKSTOP RESOURCE: A sustainable, renewable natural resource that is used in place of, and as a substitute for, finite, exhaustible natural resources that have been exhausted. A sustainable resource is one in which the amount used today cannot reduce the amount available tomorrow.The best example is solar energy. No matter how much solar energy we use today, the same amount reaches the planet every day in the future. A backstop resource is then a sustainable resource, like solar energy, that society uses after finite resources, like fossil fuels, have been exhausted. In fact, solar energy is often considered THE backstop energy resource. It represents THE "safety net" that's available when fossil fuels are depleted.
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U-SHAPED COST CURVES The family of short-run cost curves consisting of average total cost, average variable cost, and marginal cost, all of which have U-shapes. Each is U-shaped because it begins with relatively high but falling cost for small quantities of output, reaches a minimum value, then has rising cost at large quantities of output. Although the average fixed cost curve is not U-shaped, it is occasionally included with the other three just for sake of completeness.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a flea market looking to buy either a genuine fake plastic Tiffany lamp or a microwave over that won't burn your popcorn. Be on the lookout for celebrities who speak directly to you through your television.
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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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"It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things. " -- Elinor Smith, aviator
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FSL
Federal Savings and Loan Association
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