March 20, 2018 

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AGGREGATE EXPENDITURE DETERMINANT: A ceteris paribus factor that affects aggregate expenditures, but which is assumed constant when the aggregate expenditure line is constructed. Changes in any of the aggregate expenditures determinants cause the aggregate expenditure line to shift. While a wide variety of specific ceteris paribus factors can cause the aggregate expenditure line to shift, it's usually most convenient to group them into the four, broad expenditure categories -- consumption, investment, government purchases, and net exports. The reason is that changes in these expenditures are the direct cause of shifts in the aggregate expenditure line. If any determinant affects aggregate expenditures it MUST affect one of these four expenditures.

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Lesson 7: Market | Unit 5: The Method Page: 20 of 22

Topic: Too Much Production <=PAGE BACK | PAGE NEXT=>

This market has a 50-cent price and a 400-tape quantity in equilibrium.
  • Note the demand price and the supply price if the quantity is 500 tapes.
  • The demand price is 40 cents. This is the value of the good produced.
  • The supply price is 60 cents. This is the value of goods not produced.
  • Producing this quantity is the same as giving up 60 cents and getting 40 cents in return.
  • 500 tapes is not an efficient use of resources

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A monopolistically competitive industry undertakes a two-part adjustment to equilibrium in the long run. One is the adjustment of each monopolistically competitive firm to the appropriate factory size that maximizes long-run profit. The other is the entry of firms into the industry or exit of firms out of the industry, to eliminate economic profit or economic loss. The end result of this long-run adjustment is two equilibrium conditions--one for profit maximization, the other for zero economic profit.

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Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either a wall poster commemorating the first day of winter or blue cotton balls. Be on the lookout for malfunctioning pocket calculators.
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In the early 1900s around 300 automobile companies operated in the United States.
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