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OPPORTUNITY COST: The highest valued alternative foregone in the pursuit of an activity. This is a hallmark of anything dealing with economics--and life for that matter--because any action that you take prevents you from doing something else. The ultimate source of opportunity cost is the pervasive problem of scarcity (unlimited wants and needs, but limited resources). Whenever limited resources are used to satisfy one want or need, there are an unlimited number of other wants and needs that remain unsatisfied. Herein lies the essence of opportunity cost. Doing one thing prevents doing another.

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TWO-SECTOR, TWO-MARKET CIRCULAR FLOW

A simple circular flow model of the macroeconomy containing two sectors (business and household) and two markets (product and factor) that illustrates the continuous movement of the payments for goods and services between producers and consumers. The payment flow between the two sectors and two markets is conveniently divided into four segments representing consumption expenditures, gross domestic product, factor payments, and national income. More advanced models containing additional flow segments are two-sector, three-market circular flow; three-sector, three-market circular flow; and four-sector, three-market circular flow.

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Taming Our Beastly FEDERAL DEFICIT

It's almost impossible to take a leisurely stroll around the economy without crashing headlong into the federal deficit. It doesn't take a microscope to see it bulging from the windows and doors of the Sylvester J. Peabody Federal Office Building as we pass by. It's a monstrous beast that seems to be growing by the minute. But is the federal deficit really as ghoulish and gruesome as drawn by political cartoonists? Should we make a detour of our pedestrian trek to avoid the beast? Considering it's size, is avoidance even possible. To answer these question, let's consider the pluses and minuses of our federal deficit.
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RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a bookshelf that will fit in your closet or a birthday greeting card for your grandfather. Be on the lookout for the last item on a shelf.
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Helping spur the U.S. industrial revolution, Thomas Edison patented nearly 1300 inventions, 300 of which came out of his Menlo Park "invention factory" during a four-year period.
"People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. Most men succeed because they are determined to. "

-- George Allen, U.S. senator

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