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ZERO SLOPE: A horizontal line in which the numerical value of the slope, calculated as the change in the variable on the vertical axis divided by a change in the variable on the horizontal axis, is zero. In other words, the Y-axis variable is fixed, or constant, for any and all values of the X-axis variable.
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Lesson 2: Economic Science | Unit 4: Science and Practice
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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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AVERAGE REVENUE CURVE, PERFECT COMPETITION A curve that graphically represents the relation between average revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because average revenue is essentially the price of a good, the average revenue curve is also the demand curve for a perfectly competitive firm's output.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a 50 foot extension cord or a combination CD player, clock radio, and telephone (with answering machine). Be on the lookout for cardboard boxes.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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MU
Marginal Utility
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