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NATIONAL ASSOCIATION OF SECURITIES DEALERS: A stock market in which corporate stocks are exchanged by dealers across the country using a computerized system of stock price quotes. This is often referred to as the "over-the-counter" stock market, because, unlike the New York Stock Exchange, the American Stock Exchange, and others, the dealers don't conduct their business at a single location. They match up their buy and sell orders through a computer network rather than through the face-to-face contact. Transactions conducted by the NASD give rise to one of the more commonly publicized stock market price indicators, the NASDAQ (which stands for National Association of Securities Dealers Automated Quotation). The widely used NASDAQ composite index is based on the prices of 5,000 of these over-the-counter stocks.

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Lesson Contents
Unit 1: The Concept
  • A Definition
  • So What?
  • Unit 1 Summary
  • Unit 2: Resources
  • Factors
  • Working Together
  • Free or Scarce?
  • Comparisons
  • Unit 2 Summary
  • Unit 3: Opportunity Cost
  • The Concept
  • Economic Cost
  • Unit 3 Summary
  • Unit 4: College Cost
  • Out of Pocket
  • What Else?
  • Unit 4 Summary
  • Unit 5: THE Problem
  • No Free Lunch
  • Solutions?
  • Unit 5 Summary
  • Course Home
    Scarcity

    In this lesson you'll see why scarcity tends to make economists grumpy. You'll see that scarcity is a perpetual condition that exists because people have unlimited wants and needs, but limited resources. You'll also see how this scarcity problem underlies the common notion of cost, which is integral to the study of economics. The five units contained in this lesson provide a tour through the economic problem of scarcity.

    • The first unit, A Big Problem, examines the fundamental concept of scarcity -- the combination of limited resources and unlimited wants and needs -- that is virtually synonymous with the study of economics.
    • The second unit, Resources, discusses the four basic categories of limited resources -- labor, capital, land, and entrepreneurship -- which produce the goods that are used to satisfy unlimited wants and needs.
    • In the third unit, Opportunity Cost, we take a look at the notion of opportunity cost and see how it is related to the scarcity problem.
    • We then turn out attention in the fourth unit, College Cost, to a simple example of the explicit and implicit costs of attending college.
    • The fifth and final unit, THE Big Problem, in this lesson then ponders why scarcity is considered THE economic problem and provides a little insight into why economists are grumpy.

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    INDUCED IMPORTS

    Imports from the foreign sector that depend on domestic income or production (especially national income and gross domestic product). That is, changes in income induce changes in imports. Induced imports are measured by the marginal propensity to import (MPM) and are reflected by a positive slope of imports line. Induced imports are the reason for induced net exports, generating a negatively sloped net exports line. Autonomous net exports are due to a combination of autonomous exports and autonomous imports.

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    APLS

    ORANGE REBELOON
    [What's This?]

    Today, you are likely to spend a great deal of time at a crowded estate auction seeking to buy either a pair of red goulashes with shiny buckles or a handcrafted bird feeder. Be on the lookout for small children selling products door-to-door.
    Your Complete Scope

    This isn't me! What am I?

    The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
    "No great performance ever came from holding back. "

    -- Don Greene, motivational coach, former Green Beret

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