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HARD CURRENCY: Historically money that is in the form of precious metals, especially gold. In modern times, any national currency that is expected to retain its value (and even appreciate in value), and is readily acceptable for most international transactions. The U.S. dollar, German marc, and Swiss franc tend to be near the top of the list of hard currencies (also termed hard money).

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BARRIERS TO ENTRY

Institutional, government, technological, or economic restrictions on the entry of participants into a market or industry. The four primary barriers to entry are: (1) resource ownership, (2) patents and copyrights, (3) government restrictions, and (2) start-up cost. Barriers to entry are a key reason for market control and the inefficiency that results. 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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Today, you are likely to spend a great deal of time strolling through a department store seeking to buy either a coffee cup commemorating the 2000 Olympics or a birthday gift for your grandmother. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
"He who truly knows has no occasion to shout. "

-- Leonardo da Vinci, painter, sculptor, architect, engineer

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