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March 29, 2024 

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AS-AD ANALYSIS: An economic model relating the price level and real production that is used to analyze business cycles, gross domestic product, unemployment, inflation, stabilization policies, and related macroeconomic phenomena. The AS-AD model, inspired by the standard market model, captures the interaction between aggregate demand (the buyers) and short-run and long-run aggregate supply (the sellers).

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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 used to satisfy these wants and needs. 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 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 discusses the four basic categories of limited resources --labor, capital, land, and entrepreneurship -- that produce the goods that are used to satisfy unlimited wants and needs.
    • In the third unit, 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 to a simple example of the explicit and implicit costs of attending college.
    • The fifth and final unit in this lesson then ponders why scarcity is considered THE economic problem and providing a little insight into why economists are grump.

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    AD VALOREM TAX

    A tax specified as a percentage of the price or value of a good, service, asset, or other activity. Ad valorem taxes tend to be broad based, imposed on activities such as income and retail sales. In fact, the two most important ad valorem taxes are income taxes and sales taxes. People pay a percentage of their incomes in income taxes or a percentage or the value of their purchases in sales taxes, regardless of the amount of time spent working or the quantities of goods purchases. An alternative is a per unit tax, with is a tax specified as a percentage of the physical quantity of a good.

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    APLS

    PURPLE SMARPHIN
    [What's This?]

    Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club hoping to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for telephone calls from former employers.
    Your Complete Scope

    This isn't me! What am I?

    Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
    "The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires."

    -- William Ward ‚ Texas Wesleyan University Administrator

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    Savings Association Insurance Fund
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