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August 14, 2022 

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OPPORTUNITY COST: The highest valued alternative foregone in the pursuit of an activity. This is a hallmark of anything dealing with economics--and life for that matter--because any action that you take prevents you from doing something else. The ultimate source of opportunity cost is the pervasive problem of scarcity (unlimited wants and needs, but limited resources). Whenever limited resources are used to satisfy one want or need, there are an unlimited number of other wants and needs that remain unsatisfied. Herein lies the essence of opportunity cost. Doing one thing prevents doing another.

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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
  • Course Home
    Market Demand

    This lesson on demand offers a little insight, not only into my Stuffed Amigo buying behavior, but into the purchases of a wide range of other goods, too, even goods that aren't cute and cuddly. In fact, this demand topic 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, which brings us back to this lesson.

    • In the first unit of this lesson, Buying Basics, 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, Law of Demand, then takes a look at the law of demand, which is one of the most important and fundamental economic principles that we'll encounter.
    • As we move on to the third unit, Demand Curve, our attention turns to the demand curve, which is the graphical embodiment of demand.
    • In the fourth unit, Determinants, we examine how the five basic demand determinants that cause the demand curve to shift from one location to another.
    • And finally in the fifth unit, Scarcity, we make a connection between demand and the fundamental problem of scarcity.

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    INTERNATIONAL TRADE

    The exchange of goods and services among the nations of the world. Also termed foreign trade when viewed from the perspective of a given country, the international exchange of production is comparable to any exchange, except that buyers and sellers are from different countries. The study of international trade highlights an important economic principle, the law of comparative advantage, which helps to explain not only why nations engage in trade but why individuals engage in trade. A related area of study is international finance, both of which are part of the broader study of international economics.

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    APLS

    GREEN LOGIGUIN
    [What's This?]

    Today, you are likely to spend a great deal of time browsing about a thrift store seeking to buy either a remote controlled World War I bi-plane or a wall poster commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for neighborhood pets, especially belligerent parrots.
    Your Complete Scope

    This isn't me! What am I?

    More money is spent on gardening than on any other hobby.
    "And while the law of competition may be sometimes hard for the individual, it is best for the race, because it ensures the survival of the fittest in every department. "

    -- Andrew Carnegie, entrepreneur

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