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ANTITRUST LAWS: A series of laws passed by the U. S. government that tries to maintain competition and prevent businesses from getting a monopoly or otherwise obtaining and exerting market control. The first of these, the Sherman Antitrust Act, was passed in 1890. Two others, the Clayton Act and the Federal Trade Commission Act, were enacted in 1914. These laws impose all sorts of restrictions on business ownership, control, mergers, pricing, and how businesses go about competing (or cooperating) with each other.

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Lesson 2: Economic Science | Unit 4: Science and Practice Page: 13 of 20

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An example of how the scientific method works:
  • You suspect that a relationship exists between course grades and where students are seated in the class.
  • Specifically, you think that students who sit closer to the front of the class receive higher the grades.
Three forms of our hypothesis:
General:
  • Students seated closer to the front receive higher grades.
A More Specific Form:
  • If students sit on the front row, then they receive As-- if they sit on the second row, then they receive Bs-- etc.
Using An Equation:
  • G = a + bD, where b is negative, meaning students seated closer (small D) receive higher grades (large G).
  • Key is that we can compare hypothesis with data.

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MARGINAL REVENUE, MONOPOLISTIC COMPETITION

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a monopolistically competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a monopolistically competitive firm equates marginal revenue and marginal cost.

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APLS

BEIGE MUNDORTLE
[What's This?]

Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or a wall poster commemorating the 2000 Olympics. Be on the lookout for celebrities who speak directly to you through your television.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
"The past cannot be changed. The future is yet in your power. "

-- Hugh White, U.S. Senator

KLIC
Kullback-Leibler Information Criterion
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