March 23, 2018 

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VARIABLE INPUT: An input whose quantity can be changed in the time period under consideration. This should be immediately compared and contrasted with fixed input. The most common example of a variable input is labor. A variable input provides the extra inputs that a firm needs to expand short-run production. In contrast, a fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive. This is, by the way, the law of diminishing marginal returns.

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A curve that graphically illustrates the relation between average revenue product and the quantity of the variable input, holding all other inputs fixed. This curve indicates the per unit revenue at each level of the variable input. The average revenue product curve is one of two related curves often used in the analysis of factor demand. The other, and more important, is marginal revenue product curve.

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Creating WEALTH

Wealth -- what is it and how do you get it? Perhaps one of those home business franchises that sell cleaning products, housewares, or perfume can be your source of financial independence. And, as evidenced by those late-night infomercials, the always lucrative area of real estate investment is almost certain to turn you into a gadzillionaire by next Thursday. Or perhaps tinkering in the financial markets with penny stocks, gold futures, or silver options is more your cup of tea. (My personal favorite is the Darling Donna's Chimney Sweep outfit that gives you the opportunity for a meaningful career in the high-profile field of chimney maintenance products.) The question for today is: Are any of these get-rich-quick schemes better than buying a lottery ticket?
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[What's This?]

Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club wanting to buy either a wall poster commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or decorative garden figurines. 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?

Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
"It is not the straining for great things that is most effective; it is the doing of the little things, the common duties, a little better and better."

-- Elizabeth Stuart Phelps, Writer

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