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WIDGET: A fictitious good commonly used by economic instructors to demonstrate economic principles or undertake hypothetical analyses. For example, the analysis of short-run production for a firm might be demonstrated through the production of widgets. Alternatively, the law of demand might be illustrated with a table or curve comparing the price of widgets with the quantity demanded of widgets. If such a good exists, and there is no clear evidence that widgets have every existed, it is a small mechanical device, constructed of interlocking cogs, several knobs, and at least one handle. Widgets are most often used when thingamajigs and dohickies are unavailable.
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Lesson 4: Production Possibilities | Unit 4: Analysis
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Page: 18 of 24
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- How full employment is represented by any bundle ON the production possibilities curve and unemployment is represented by any bundle INSIDE the production possibilities curve.
- The production possibilities curve as a frontier or boundary that cannot be cross give current quantities and qualities of resources.
- How the process of economic growth expands the production possibilities curve to reach previously unreachable bundles of goods.
- How economic growth is achieved by increasing the quantity or quality of resources.
- Five important sources of economic growth-the quantity of labor, the quantity of capital, the quantity of materials, education, and technology.
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SIGNALLING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Signalling is used by those with more information to reduce the cost of informing those with less information. It is commonly used in markets with adverse selection. Methods of signalling include advertising, brand names, and warranties. A related method is screening.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius seeking to buy either a wall poster commemorating last Friday (you know why) or a country wreathe. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
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"Recipe for success. Study while others are sleeping; work while others are loafing, prepare while others are playing, and dream while others are wishing." -- William A. Ward
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WLLN
Weak Law of Large Numbers
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