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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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AUTONOMOUS SAVING

Household saving that does not depend on income or production (especially disposable income, national income, or even gross domestic product). That is, changes in income do not generate changes in saving. Autonomous saving is best thought of as a baseline level of saving (usually negative) that the household sector undertakes in the unlikely event that income falls to zero. It is measured by the intercept term of the saving function or the saving line. The alternative to autonomous saving is induced saving, which does depend on income.

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WHITE GULLIBON
[What's This?]

Today, you are likely to spend a great deal of time going from convenience store to convenience store trying to buy either a desktop calendar with all federal and state holidays highlighted or a half-dozen helium filled balloons. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?

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.
"Are you bored with life? Then throw yourself into some work you believe in with all your heart. Live for it, die for it, and you will find happiness that you had thought could never be yours. "

-- Dale Carnegie, writer

LCH
Life Cycle Hypothesis
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