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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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Lesson 12: Business Cycles | Unit 1: Instability Page: 5 of 26

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  • The natural tendency for the economy to expand and contract.
  • Business cycles, which are irregular, nonperiodic fluctuations in aggregate economic activity.
  • The Great Depression, the worst economic period in this century.
  • Expansionary good times that mean more production and rising living standards, but also inflation and inefficiency problems.
  • Contractionary bad times that mean unemployment, less production, lower profits, bankruptcies, and social problems, but also lower inflation and more efficiency resource allocation.

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MACROECONOMICS

The branch of economics that studies the entire economy, especially such topics as aggregate production, unemployment, inflation, and business cycles. It can be thought of as the study of the economic forest, as compared to microeconomics, which is study of the economic trees.

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APLS

RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time calling an endless list of 800 numbers hoping to buy either a three-hole paper punch or decorative picture frames. Be on the lookout for fairy dust that tastes like salt.
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This isn't me! What am I?

In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
"Man is born to live, not to prepare for life. "

-- Boris Pasternak, writer

AGI
Adjusted Gross Income
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