March 21, 2018 

AmosWEB means Economics with a Touch of Whimsy!

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ABSTRACTION: Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is often criticized because it's, well, it's JUST NOT REALISTIC. However, when done correctly (ignoring things that JUST DON'T MATTER), then the pursuit of knowledge is greatly enhanced by abstraction. For example, when travelling cross country along a high-speed interstate highway, a paper road map is a handy tool. It shows towns and cities along the way, the major intersections, rest stop locations, and other important points of interest. However, it ignores unimportant details. It doesn't realistically show the location of every tree, bush, or blade of grass. Why bother? This information won't enhance your road trip.

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Lesson Contents
Unit 1: Buying Basics
  • The Concept
  • Demand Price
  • Quantity Demanded
  • Unit 1 Summary
  • Unit 2: Law of Demand
  • Definition
  • Income Effect
  • Substitution Effect
  • Unit 2 Summary
  • Unit 3: Demand Curve
  • Schedule
  • Curve
  • Space
  • Unit 3 Summary
  • Unit 4: Determinants
  • Ceteris Paribus Factors
  • Shifters: Increase
  • Shifters: Decrease
  • Types
  • Ch...Ch...Changes
  • Unit 4 Summary
  • Unit 5: Scarcity
  • Unlimited Wants
  • Unit 5 Summary
  • Unit 6:
  • Unit 6 Summary
  • Course Home

    This lesson on demand offers a little insight into the purchases of a wide range of goods. In fact, this demand topic is does more than offer insight into buying behavior. It's also one half of the market analysis -- the other half being supply. And market analysis is one of the most widely used tools in the study of economics. Economists explain a lot of economic phenomenon using markets. But to use markets, we need demand. And that brings us back to this lesson.

    • In the first unit of this lesson we examine the basic concept of demand. While you've likely come across the term demand before, we'll see the specific way the term is used in economics.
    • The second unit then takes a look at the law of demand, which is one of the most important and most fundamental economic principles that we'll encounter.
    • As we more on to the third unit, our attention turns to the demand curve, which is the graphical embodiment of the demand concept.
    • In the fourth unit, we examine how the five basic demand determinants cause the demand curve to shift from one location to another.
    • And finally in the fifth unit, we make a connection between demand and the fundamental problem of scarcity.

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    An established method or way of performing an activity that is widely accepted throughout society. Institutions provide the rules, guidelines, and structure needed to carry out day-to-day economic activities, such as production, consumption, and exchange.

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    Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius looking to buy either a rechargeable battery for your camera or a coffee cup commemorating the first day of spring. Be on the lookout for attractive cable television service repair people.
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