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ENTRY BARRIER: 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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AVERAGE PHYSICAL PRODUCT The quantity of total output produced per unit of a variable input, holding all other inputs fixed. Average physical product, usually abbreviated APP, is found by dividing total physical product by the quantity of the variable input. Average product, which more often goes by the shorter name average product (AP), is one of two measures derived from total physical product. The other is marginal physical product.
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GREEN LOGIGUIN [What's This?]
Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway looking 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 slightly overweight pizza delivery guys. Your Complete Scope
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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"We tend to forget that happiness doesn't come as a result of getting something we don't have, but rather of recognizing and appreciating what we do have." -- Fredrick Koeing
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AGI Adjusted Gross Income
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