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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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MARGINAL PRODUCT CURVE

A curve that graphically illustrates the relation between marginal product and the quantity of the variable input, holding all other inputs fixed. This curve indicates the incremental change in output at each level of a variable input. The marginal product curve is one of three related curves used in the analysis of the short-run production of a firm. The other two are total product curve and average product curve. The marginal product curve plays in key role in the economic analysis of short-run production by a firm.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius hoping to buy either a tall storage cabinet with five shelves and a secure lock or a birthday greeting card for your grandmother. Be on the lookout for strangers with large satchels of used undergarments.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
"You can't build a reputation on what you are going to do."

-- Henry Ford, automaker

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