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WELFARE: An assortment of programs that provide assistance to the poor. The cornerstone of our welfare system is Aid to Families with Dependent Children (AFDC), which was created by the Social Security Act (1935). It provides cash benefits to assist needy families with children under the age of 18. Funding comes partly from the federal government and partly from states. Because states also administer their own programs, benefits and qualification criteria differ from state to state. A second part of the welfare system, one that's run entirely by the federal government, is Supplemental Security Income (SSI). This program provides cash benefits to elderly, blind, and disabled in addition to any benefits received through the Social Security system. Our welfare system includes a whole bunch of additional benefits, including Medicaid, food stamps, low-cost housing, school lunches, job training, day care, and earned-income tax credits.

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Lesson Contents
Unit 1: Background
  • Doing Supply
  • Factor Payments
  • Factors of Production
  • Factor Markets
  • Circular Flow
  • Unit 1 Summary
  • Unit 2: Resources
  • Alike But Different
  • Labor: Satisfaction And Leisure
  • Capital: Financial And Physical
  • Land: Space And Materials
  • Entrepreneurship: Risk
  • Unit 2 Summary
  • Unit 3: Factor Supply
  • Supply Times Three
  • Market Control Times Four
  • Factor Cost Times Three
  • Supply Curves Times Two
  • Unit 3 Summary
  • Unit 4: Determinants
  • The Old Standards
  • Mobility
  • Geographic Mobility
  • Occupational Mobility
  • Unit 4 Summary
  • Unit 5: Taking Stock
  • Review
  • Preview
  • Unit 5 Summary
  • Course Home
    Factor Supply

    • The first unit of this lesson, Background, begins by laying the foundation for factor markets and factor supply.
    • In the second unit, Resources, we examine specific supply considerations for the alternative factors of production.
    • The third unit, Cost And Supply, then takes a look at the three key factor cost concepts -- total, average, and marginal.
    • In the fourth unit, Determinants, we examine the key determinants that shift the factor supply curve, especially mobility.
    • The fifth and final unit, Taking Stock, then closes this lesson with a review of factor supply and a preview of factor market analysis to come.

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    MARGINAL PROPENSITY TO INVEST

    The change in business investment expenditures induced by a change in income or production (national income or gross domestic product). The marginal propensity to invest (abbreviated MPI) is another term for the slope of the investment line and is calculated as the change in investment divided by the change in income or production. The MPI plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part to the multiplier process. A related marginal measure is the marginal propensity to consume.

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    APLS

    RED AGGRESSERINE
    [What's This?]

    Today, you are likely to spend a great deal of time strolling through a department store looking to buy either a toaster oven that has convection cooking or a birthday gift for your mother. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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    This isn't me! What am I?

    Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
    "Try not to become a man of success but rather to become a man of value. "

    -- Albert Einstein

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