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October 8, 2026 

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HEDGING: Buying or selling futures contracts to protect against price changes. This is a common form of "insurance" used by those who produce various commodities, such as wheat, cattle, coffee, and natural gas, as well as those who buy these commodities as inputs.

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EXTERNALITY: A cost or benefit that is not included in the market price of a good because it's not included in the supply price or the demand price. Pollution is an example of an externality cost if producers aren't the ones who suffer from pollution damages. Education is an example of an externality benefit when members of society other than students benefit from a more educated population. Externality is one type of market failure that causes inefficiency.

     See also | opportunity cost | market | supply price | demand price | market failure | efficiency | pollution | materials balance | good types | Pigouvian tax | Coase theorem |


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EXTERNALITY, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: October 8, 2026].


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FACTOR SUPPLY

The willingness and ability of scarce resources or factors of production to offer their services for use in productive activities. Factor supply relates price and quantity, specifically, factor supply is the range of factor quantities that are supplied at a range of factor prices. This is one half of the factor market. The other half is factor demand. The factors of production subject to factor supply include any and all of the four scarce resources--labor, capital, land, and entrepreneurship. However, because labor involves human beings directly, it is the factor that tends to receive the most scrutiny and analysis.

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Today, you are likely to spend a great deal of time at an auction looking to buy either a pair of blue silicon oven mitts or a coffee cup commemorating the 2000 Olympics. Be on the lookout for slightly overweight pizza delivery guys.
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The first paper notes printed in the United States were in denominations of 1 cent, 5 cents, 25 cents, and 50 cents.
"Do not stop thinking of life as an adventure. You have no security unless you can live bravely, excitingly, imaginatively, unless you can choose a challenge instead of a competence. "

-- Eleanor Roosevelt, first lady

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