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June 12, 2026 

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COMPETITION AMONG THE MANY: A market with so many buyers and sellers that none is able to influence the market price or quantity exchanged. This type of competition is the one most favored by economists (the other type is competition among the few). Compared to a three-person sprint, this is like a 10,000-entry road race. To win this race, I can't count on the other 9,999 coming up injured. To win, I may have to be the best I've ever been. I just might have to set a world record. This is the type of competition that brings out the best, most efficient use of resources.

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MARGINAL PROPENSITY TO CONSUME

The proportion of each additional dollar of household income that is used for consumption expenditures. The marginal propensity to consume (abbreviated MPC) is another term for the slope of the consumption line and is calculated as the change in consumption divided by the change in income. The MPC plays a central role in Keynesian economics. It quantifies the consumption-income relation and the fundamental psychological law. It is also a foundation for the slope of the aggregate expenditures line and is critical to the multiplier process. A related consumption measure is the average propensity to consume.

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Today, you are likely to spend a great deal of time searching for rummage sales wanting to buy either an AC adapter for your CD player or storage boxes for your family photos. Be on the lookout for celebrities who speak directly to you through your television.
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This isn't me! What am I?

The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
"Nothing will ever be attempted if all possible objections must first be overcome. "

-- Samuel Johnson, essayist, critic, lexicographer

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