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ADVERSE SELECTION: When a negotiation between two people with different amounts of information, that is, asymmetric information, restricts the quality of the good traded. This typically happens because the person with more information is able to negotiate a favorable exchange. This is frequently referred to as the "market for lemons."

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Lesson 4: Production Possibilities | Unit 3: The Curve Page: 12 of 24

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The slope of the production possibilities frontier is opportunity cost.

What does this have to do with it's distinct, convex shape?

  • The reason is the law of increasing opportunity cost.
  • With few calibrators produced, opportunity cost is low and curve is flat.
  • With many calibrators produced, opportunity cost is high and slope is steep.

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MARGINAL PROPENSITY TO SAVE

The proportion of each additional dollar of household income that is used for saving. The marginal propensity to save (abbreviated MPS) is another term for the slope of the saving line and is calculated as the change in saving divided by the change in income. The MPS plays a central role in Keynesian economics. It quantifies the saving-income relation, which is the flip side of the consumption-income relation, and thus it reflects the fundamental psychological law. It is also a critical to the multiplier process. A related saving measure is the average propensity to save.

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Today, you are likely to spend a great deal of time browsing about a thrift store seeking to buy either a key chain with a built-in flashlight and panic button or a green and yellow striped sweater vest. Be on the lookout for attractive cable television service repair people.
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John Maynard Keynes was born the same year Karl Marx died.
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