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YELLOW-DOG CONTRACT: An agreement signed by workers before they are hired, stipulating that they would not join a union after they are hired. This contract was commonly used by firms in the late 1800s and early 1900s to limit labor union membership and thus to prevent unions from exerting control over the labor market. Yellow-dog contracts were outlawed by the Norris-LaGuardia Act in 1932.

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MARGINAL REVENUE, MONOPOLISTIC COMPETITION

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a monopolistically competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a monopolistically competitive firm equates marginal revenue and marginal cost.

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WHITE GULLIBON
[What's This?]

Today, you are likely to spend a great deal of time at the confiscated property police auction hoping to buy either a turbo-powered vacuum cleaner or a battery-powered, rechargeable vacuum cleaner. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
"How we spend our days is, of course, how we spend our lives. "

-- Annie Dillard, essayist

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