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September 14, 2026 

AmosWEB means Economics with a Touch of Whimsy!

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MARGINAL UTILITY: The additional utility, or satisfaction of wants and needs, obtained from the consumption or use of an additional unit of a good. It is specified as the change in total utility divided by the change in quantity. Marginal utility indicates what each additional unit of a good is worth to a consumer.

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AmosWEB is an Internet-based resource of economics information offered by AmosWEB LLC. AmosWEB LLC was established April 1, 2000 to publish economics information and instructional resources through the World Wide Web.

At AmosWEB, we take economics seriously, but with a touch of whimsy. We recognize the importance of economics to our lives, careers, and citizenship, but we try to have a little fun with it along the way. On the one had... serious. On the other hand... whimsical. A balance much like that of demand and supply.

AmosWEB began its Internet existence under the name AmosWORLD. (You might see AmosWEB listed as AmosWORLD in some search engines. AmosWorld.com is currently maintained by a talented artist named Amos Kmiec.) We have been providing economics information through the World Wide Web since the earliest days of the World Wide Web, when memory was measured in kilobytes, disks were floppy, and PPP was the primary way to get online.

Over the years, we've provided economics information to students, instructors, and web surfers on six continents (we're still working on Antarctic). We have consistently ranked in the top 10 percent of all websites on the Internet (according to Rank.com). Our most popular resource is the AmosWEB GLOSS*arama, an extensive glossary of economics terms and concepts. We also offer the increasingly popular AmosWEB Encyclonomic WEB*pedia, and encyclopedia of economics.

We're also very proud of the AmosWEB eTutor, a subscription service used by all sorts of students seeking a little extra help with their course work and the AmosWEB Programmed Learning System (A*PLS), an integrated online learning system designed for traditional classes, hybrid courses, and online distance learning.

The principle author and content developer of AmosWEB is Orley M. Amos, PhD, a Professor of Economics at Oklahoma State University with a couple of decades of instructional experience. Assistance has been provided over the years by Antonio Avalos, PhD, an Assistant Professor of Economics at California State University, Fresno.

AmosWEB LLC is presently based in Stillwater, Oklahoma with a branch office in Wichita, Kansas.

Written correspondence concerning can be directed to AmosWEB, 1411 North Grandview Court, Stillwater, Oklahoma, 74075-6903. Email correspondence can be sent to AmosWEB WebMaster.

AVERAGE FACTOR COST

Total factor cost per unit of factor input employed by a firm in the production of output, found by dividing total factor cost by the quantity of factor input. Average factor cost, abbreviated AFC, is generally equal to the factor price. However, using the longer term average factor cost makes it easier to see the connection to related terms, including total factor cost and marginal factor cost.

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A Perfect Picture Of PROFIT

Good news! Manny Mustard, my long-time friend and proprietor of Manny Mustard's House of Sandwiches is having a special on his Deluxe Club Sandwich. Let's drop in for a brief respite -- and lunch. More good news! Manny is bubbling profusely about the vitality of his business. Last month he turned a profit. Yes, that much cherished profit, the goal of business firms, be they large or small. Upon closer inspection Manny's profit calculation might be suffering from an oversight or two. It seems as though Manny neglected to pay himself a wage. Nor did he bother to include any interest expense on the savings he invested in his House of Sandwiches venture. But what the heck, he earned a profit -- didn't he?
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Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a pair of red and purple designer socks or a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for the last item on a shelf.
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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
"The true idealist pursues what his heart says is right in a way that his head says will work. "

-- Richard Nixon, 37th US president

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