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JOINT DEMAND: Demand for two or more commodities that are either complements-in-consumption or complements-in-production. Joint demand results because two or more commodities are used together either to satisfy wants and needs or to produce goods and services. Because the commodities are used jointly, the demand for one good is necessarily based on the use and availability of another good. If, for example, you enjoy milk and brownies as complements-in-consumption, but the bakery is out of brownies, then your demand for milk is also likely to decline.

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Lesson 10: Utility and Demand | Unit 5: Beyond Demand Page: 19 of 21

Topic: Demand Elasticity <=PAGE BACK | PAGE NEXT=>

  • While knowing why a higher price entices buyers to buy less or a lower price entices them to buy more is extremely important, we often need to know more than WHY? we need to know HOW MUCH?

  • Taking a closer look at demand entails an answer to this HOW MUCH? question.

    This is addressed under the topic of elasticity.

  • By way of preview, let me note that:
  • Elasticity is the responsiveness of one variable resulting from changes in another variable.
  • The two variables that intrigues us the most are demand price and quantity demanded.

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PRODUCT DIFFERENTIATION

Slight differences that exist between two or more goods that are essentially the same and which satisfy the same basic want or need. This is generally pursued in monopolistic competition and oligopoly by firms seeking to increase sales and profit. Many of the best known businesses in the economy practice product differentiation to gain an advantage on the competition and to acquire a bit of market control. For example, Coca-Cola and Pepsi-Cola are very similar, but each has a few differences in terms of taste, packaging, and esteem.

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Today, you are likely to spend a great deal of time at an auction looking to buy either a revolving spice rack or a how-to book on home repairs. Be on the lookout for poorly written technical manuals.
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It's estimated that the U.S. economy has about $20 million of counterfeit currency in circulation, less than 0.001 perecent of the total legal currency.
"always remember an epitaph which is in the cemetery at Tombstone, Arizona. It says: „Here lies Jack Williams. He done his damnedest.¾ I think that is the greatest epitaph a man can have ‚ When he gives everything that is in him to do the job he has before him. That is all you can ask of him and that is what I have tried to do. "

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