March 21, 2018 

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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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LAW OF INCREASING OPPORTUNITY COST: The proposition that opportunity cost, the value of foregone production, increases as more of a good is produced. This "law" can be seen in the production possibilities schedule and is illustrated graphically through the slope of the production possibilities curve. It generates the distinctive convex shape of the curve, making it flat at the top and steep at the bottom.

     See also | opportunity cost | production | production possibilities curve | law | principle | convex |

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LAW OF INCREASING OPPORTUNITY COST, AmosWEB GLOSS*arama,, AmosWEB LLC, 2000-2018. [Accessed: March 21, 2018].

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The excess of revenue over cost received by government-operated firms that sell their output through markets and otherwise operate like private, profit-oriented firms. This is one component of the official entry government subsidies less current surplus of government enterprises found in the National Income and Product Accounts maintained by the Bureau of Economic Analysis, that separates national income (the resource cost of production) and gross (and net) domestic product (the market value of production).

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Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway hoping to buy either a wall poster commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or decorative garden figurines. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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