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October 17, 2026 

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BARRIER TO ENTRY: An institutional, government, technological, or economic restriction on the entry of firms into a market or industry. The four primary barriers to entry are: resource ownership, patents and copyrights, government restrictions, and start-up costs. Barriers to entry are a key reason for market control and the inefficiency that this generates. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.

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PART-TIME WORKERS

People who are willing and able to work full-time (over 35 hours per week), but are forced to work less because employers do not need their productive efforts. While part-time workers officially have jobs, and are officially included in the "employed" category when the official unemployment rate is calculated, their labor resources are really only partially unemployed. A person working 20 hours a week, who is willing and able to work 40 hours a week, really should be considered as "half employed."

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Today, you are likely to spend a great deal of time searching the newspaper want ads trying to buy either a birthday greeting card for your father or a T-shirt commemorating the first day of spring. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
"Do what you feel in your heart to be right ‚ for you'll be criticized anyway. You'll be damned if you do and damned if you don't. "

-- Eleanor Roosevelt, first lady

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