March 23, 2018 

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INDEPENDENT VARIABLE: A variable that is identified outside the workings of the model. Also termed an exogenous variable, an independent variable is in essence the "input" of the model. It should be compared with an endogenous variable this is the "output" of the model.

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Lesson 3: Scarcity | Unit 1: The Concept Page: 3 of 17

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  • The fundamental concept of scarcity that faces society.
  • The role unlimited wants and needs play in creating the problem of scarcity.
  • The role limited resources play in creating the problem of scarcity.
  • What the scarcity problem means for society.

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Taxes are mandatory payments from members of society to governments. The total tax revenue collected from a specific tax can be identified as the product of the tax rate times the tax base. The tax base can be specified as either a physical quantity or monetary value, giving rise to two types of tax per unit tax (quantity) and ad valorem tax (value). In some cases it is useful to specify a tax rate as an average tax rate and in other cases as a marginal tax rate.

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Today, you are likely to spend a great deal of time at a flea market wanting to buy either a how-to book on home remodeling or a tall storage cabinet with five shelves and a secure lock. Be on the lookout for a thesaurus filled with typos.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
"It is not the straining for great things that is most effective; it is the doing of the little things, the common duties, a little better and better."

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