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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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Keeping The Lid On INFLATIONIt's Thursday! It's 2:30 in the afternoon! IT'S PRETZEL TIME!! We must make a brief stop at one of Shady Valley's most acclaimed business establishments -- Max Mulroney's Pretzel Haven. My favorite, of course, is pretzel-on-a-stick. An ample supply of barbecue sauce is standard fair. I'm taken aback! Max has raised his pretzel prices once again -- for the third Thursday in a row. What sort of chicanery is at work here? Is Max trying to gouge the pretzel lovers of Shady Valley? Max says, quite emphatically, NO! His pretzel producing cost has risen. It seems, he explains, to be a pervasive problem throughout Shady Valley. He's not alone in pumping up prices. A quick price checking, window shopping expedition through the Shady Valley Central Town Sprawling Hills Shopping Mall, Mega-Mart Discount Warehouse Super Center, Manny Mustard's House of Sandwiches, and even Dr. Nova Cain's dental office reveals truth to Max's claim. Prices all over Shady Valley are rising. I suspect that there's only one way to unravel the intricacies of this mystery, we're need to examine the topic of inflation.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors looking to buy either high-gloss photo paper that works with your printer or a desktop calendar with all federal and state holidays highlighted. Be on the lookout for fairy dust that tastes like salt.
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This isn't me! What am I?
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"Everyone's got it in him, if he'll only make up his mind and stick at it. None of us is born with a stop-valve on his powers or with a set limit to his capacities. There's no limit possible to the expansion of each one of us." -- Charles M. Schwab
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GLS
Generalized Least Squares
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