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August 15, 2026 

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DIRECT: The mathematical notion that two variables change in the same direction, that is, an increase in X goes with an increase in Y, or a decrease in X goes with a decrease in Y. The alternative to a direct relation is an inverse relation, in which an increase in one variable goes with a decrease in the other. Direct relations are graphically illustrated by positively-sloped curves, a common example being the supply curve.

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HORIZONTAL ADDITION: In graphical analysis, the technique of combining two curves by adding the value of the variable on the horizontal or X axis for a given value of the variable on the vertical or Y axis. This is commonly done when deriving a market demand curve from a set of individual demand curves. The quantity demanded by every individual is added at a given price to identify the total market demand at that price.

     See also | horizontal axis | vertical axis | vertical addition | market demand | demand curve |


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SCARCE RESOURCE

A resource with an available quantity less than its desired use. Scarce, or economic, resources are also called factors of production and are generally classified as either labor, capital, land, or entrepreneurship. Scarce resources are the workers, equipment, raw materials, and organizers used to produce scarce goods. Like the more general society-wide condition of scarcity, a given resource falls into the scarce category because it has a limited availability in combination with greater (potentially unlimited) productive uses.

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Today, you are likely to spend a great deal of time going from convenience store to convenience store hoping to buy either a replacement remote control for your television or a replacement nozzle for your shower. Be on the lookout for celebrities who speak directly to you through your television.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects. "

-- Alexis de Tocqueville, statesman, author

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Monetary Control Act of 1980
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