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September 2, 2010 

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WAGNER ACT: An alternative title of the National Labor Relations Act passed in 1935, this modified and replaced the National Industrial Recovery Act that was declared unconstitutional earlier in the year. The Wagner Act was a major labor union promoting act under New Deal program of the Roosevelt administration The Wagner Act, also going by the acronym NLRA, outlawed unfair labor practices by employers, such as the refusal by a firm to negotiate with a union representing a majority of its employees. It also established the National Labor Relations Board, which oversees labor activities.

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Lesson Contents
Unit 1: The Basics
  • Opportunity Cost
  • Cost Times Two
  • Profit Times Three
  • Unit 1 Summary
  • Unit 2: Three Totals
  • Fixed And Variable
  • A Table Of Totals
  • Total Curves
  • TP And TVC
  • Unit 2 Summary
  • Unit 3: Four More Measures
  • Three Averages
  • A Table Of Averages
  • Average Curves
  • One Marginal
  • A Marginal Table
  • The Marginal Curve
  • Unit 3 Summary
  • Unit 4: Long-Run Cost
  • Doing The Long Run
  • A Choice Of Plants
  • Planning Curve
  • Scale Economies
  • Unit 4 Summary
  • Unit 5: Previewing Supply
  • Production Stages
  • Marginal Cost
  • Unit 5 Summary
  • Course Home
    Cost

    • The first unit of this lesson, The Basics, begins this our study with a review of the opportunity cost notion and how it relates to business activity.
    • In the second unit, Three Totals, we take a look at the three total cost measures, including total cost, total variable cost, and total fixed cost.
    • The third unit, Four More Measures, then presents four additional cost measures -- average total cost, average variable cost, average fixed cost, and marginal cost.
    • In the fourth unit, Long-Run Cost, we examine how scale economies and diseconomies affect cost in the long run.
    • The fifth and final unit, Previewing Supply, then closes this lesson by previewing the importance of cost, especially marginal cost, to the supply decision by a firm.

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    AGGREGATE DEMAND CURVE

    A graphical representation of the relation between aggregate expenditures on real production and the price level, holding all ceteris paribus aggregate demand determinants constant. The aggregate demand (AD) curve is one side of the graphical presentation of the aggregate market. The other side is occupied by the long-run aggregate supply curve and/or the short-run aggregate supply curve. The negative slope of the aggregate demand curve captures the inverse relation between aggregate expenditures on real production and the price level. This negative slope is attributable to the interest-rate, real-balance, and net-export effects.

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    August 11, 2010
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    Today, you are likely to spend a great deal of time flipping through the yellow pages trying to buy either a package of 4 by 6 index cards, the ones with lines or a 50 foot extension cord. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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    "The shifts of fortune test the reliability of friends. "

    -- Marcus Tullius Cicero, Roman statesman

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