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UNITED MINE WORKERS UNION: A labor union representing the interests of workers engaged in mineral extraction, especially coal. The United Mine Workers Union has been one of the more prominent unions involved in the labor union movement. It is also notable as being the first national industrial union established in the United States, when it was formed in 1890. Prior to that time all national unions were craft unions representing workers with specific skills or in specific occupations. The United Mine Workers Union representing all workers employed by mining companies regardless of skills or occupations.

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BARRIERS TO ENTRY

Institutional, government, technological, or economic restrictions on the entry of participants into a market or industry. The four primary barriers to entry are: (1) resource ownership, (2) patents and copyrights, (3) government restrictions, and (2) start-up cost. Barriers to entry are a key reason for market control and the inefficiency that results. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.

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Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway seeking to buy either a birthday greeting card for your father or a T-shirt commemorating the first day of spring. Be on the lookout for rusty deck screws.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
"Intense concentration hour after hour can bring out resources in people they didn't know they had. "

-- Edwin Land, inventor, entrepreneur

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