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SAVING-INVESTMENT MODEL: A model used to identify equilibrium in Keynesian economics based on injections (investment, I) and leakages (saving, S) for the two basic sectors (household and business). Equilibrium is achieved at the intersection of the saving line, S, and the investment line, I.

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Lesson 5: Demand | Unit 2: Law of Demand Page: 5 of 20

Topic: Definition <=PAGE BACK | PAGE NEXT=>

The law of demand is the basic principle underlying demand, one of our most important economic laws.

A definition:

The law of demand is an inverse relationship between demand price and the quantity demanded, ceteris paribus.

  • Inverse relationship means that people buy more of a good if the price is lower and less if the price is higher.
  • In terms of scientific method, price causes quantity demanded. A change in the price causes a change in the quantity demanded.
Ceteris paribus is important to the law of demand.
  • Ceteris paribus means other things remain unchanged.
  • Law of demand applies exclusively to the relationship between demand price and quantity demanded.
  • All other things that can affect demand must remain constant to avoid distorting this relationship.
  • Because demand is affected by many factors other than price, a buyer may buy larger amounts of a good even with a higher price.
  • Other factors that affect demand are called demand determinants.

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MARGINAL COST OF SEARCH

The incremental cost incurred by additional search effort is the marginal cost of search. Marginal cost of search, also termed marginal search cost, is comparable to marginal cost of short-run production analysis. Marginal cost of search increases with an increase in search effort and is represented by the marginal cost of search curve. This is one half of the efficient information search decision. The other is marginal benefit of search.

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APLS

ORANGE REBELOON
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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors trying to buy either a toaster oven that has convection cooking or a birthday gift for your mother. Be on the lookout for slow moving vehicles with darkened windows.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
"God gives talent; work transforms talent into genius. "

-- Anna Pavlova, ballerina

AIBD
Association of International Bond Dealers (now called International Securities Market Association)
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