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ENTRY BARRIERS: Institutional, government, technological, or economic restrictions 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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FIRST RULE OF SCARCITY The first of seven basic rules of the economy, stating that the world is faced with limited resources but unlimited wants and needs satisfied from these resources. Scarcity is THE economy problem upon which the entire study of economics is built. A primary implication of scarcity is that the pursuit of an activity results in an opportunity cost.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time looking for a downtown retail store looking to buy either a how-to book on meeting people or clothing for your pet iguana. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The average bank teller loses about $250 every year.
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"Habit is a cable; we weave a thread of it each day, and at last we cannot break it. " -- Horace Mann, educator
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BVAR
Bayesian VAR (Vector Autoregression)
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