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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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KINKED-DEMAND CURVE ANALYSIS An analysis using the kinked-demand curve to explain rigid prices often found with oligopoly. The kinked-demand curve contains two distinct segments--one for higher prices that is more elastic and one for lower prices that is less elastic. Key to this analysis is that the corresponding marginal revenue curve contains three segments--one associated with the more elastic segment, one associated with the less elastic segment, and one associated with the kink. A profit-maximizing firm can then equate marginal cost to a wide range of marginal revenue values along the vertical segment of the marginal revenue curve. This suggests that marginal cost must change significantly before an oligopolistic firm is inclined to change price.
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Fighting Business Cycles With STABILIZATION POLICIESAs you may recall, the twins, Donna the Democrat and Rhonda the Republican, seldom agree on anything involving politics, economics, fashion, or flower arrangements. Their imminent entry into the Interstate OmniBank can only mean trouble. Donna, in her official capacity as economic advisor to the President of the quaint and courteous Republic of Northwest Queoldiola, is attempting to enter Interstate OmniBank anxious to borrow enough to finance the Queoldiolan government deficit. Rhonda, as the head of the central bank of the Republic of Northwest Queoldiola, is making every effort to stop her. The source of this particular confrontation between the twins is apparently the best way to eliminate a year-long recession that has struck the quaint and courteous Republic of Northwest Queoldiola.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time at an auction wanting to buy either decorative garden figurines or a wall poster commemorating last Friday (you know why). Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
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"Something in human nature causes us to start slacking off at our moment of greatest accomplishment. As you become successful, you will need a great deal of self-discipline not to lose your sense of balance, humility and commitment." -- H. Ross Perot
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VAR
Vector Autoregression
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