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MATERIALS: The stuff used in the production of tangible products that become the tangible products. Materials, also termed raw materials, are part of the land category of scarce resources. Space is also part of the land resource category. Another term that works as a synonym for materials is natural resources. Perhaps it's obvious that without materials, there would be no tangible products.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.

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GRAY SKITTERY
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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either throw pillows for your bed or a package of blank rewritable CDs. Be on the lookout for gnomes hiding in cypress trees.
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
"One person with a belief is equal to a force of ninety-nine with only interests."

-- John Stuart Mill

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