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October 17, 2018 

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AFL: The abbreviation for the American Federation of Labor, which started as a collection of craft unions in 1886, this is now one half of the umbrella organization for labor unions in the United States (the AFL part of AFL-CIO). As a collection of craft unions, the AFL primarily represented skilled workers in particular occupations. However, it also contained unions representing unskilled industrial workers, which led to a rift among AFL members in 1938 and spawned the formation of the Congress of Industrial Organizations (CIO). This rift was closed in 1955, when both joined together to form the AFL-CIO, which is the primary advocate for workers and labor unions in the United States.

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Lesson Contents
Unit 1: The Method
  • Overview
  • Components
  • A Process
  • Unit 1 Summary
  • Unit 2: Theory
  • Concept
  • Abstraction
  • Economic Theories
  • Unit 2 Summary
  • Unit 3: Verification
  • Overview & Data
  • Evaluation
  • Evaluation:Don't Agree
  • Unit 3 Summary
  • Unit 4: Science and Practice
  • Set Up
  • Theory
  • Verification
  • Unit 4 Summary
  • Unit 5: Cause and Effect
  • Purpose
  • An Example
  • Analysis
  • Unit 5 Summary
  • Course Home
    Economic Science

    In this lesson you'll see why and how the scientific method is a process of discovery. You'll see that it's a process of building theories to explain the workings of the world (the economy) by proposing then testing hypotheses. The five units making up this lesson will guide you through the basics of the scientific method and how it's used in the study of economics.

    • The first unit, The Method, introduces the scientific method, especially its' four key components -- theories, principles, hypothesis, and data.
    • The second unit, Theory, then takes a closer look at theories, including the central role played by abstraction.
    • In the third unit, Verification, we focus on the process of verification -- how and why hypothesized relationships about the workings of the economy are compared with actual data.
    • We then turn out attention in the fourth unit, Science and Practice, to a simple example of how the scientific method is used to test a hypothesized relation between course grades and where students are seated in a classroom.
    • The fifth and final unit in this lesson, Cause and Effect, examines the role that cause and effect plays in the scientific method and economic science.

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    MARGINAL FACTOR COST

    The change in total factor cost resulting from a change in the quantity of factor input employed by a firm. Marginal factor cost, abbreviated MFC, indicates how total factor cost changes with the employment of one more input. It is found by dividing the change in total factor cost by the change in the quantity of input used. Marginal factor cost is compared with marginal revenue product to identify the profit-maximizing quantity of input to hire.

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    APLS

    PURPLE SMARPHIN
    [What's This?]

    Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for defective microphones.
    Your Complete Scope

    This isn't me! What am I?

    A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
    "Do what you feel in your heart to be right for you'll be criticized anyway. You'll be damned if you do and damned if you don't. "

    -- Eleanor Roosevelt, first lady

    MA(N)
    A nth-order Moving Average Process
    A PEDestrian's Guide
    Xtra Credit
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