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INSTRUMENT: Another term for a financial or legal claim on the physical goods, services, and resources of real side of the economy. Instruments are the means by which income is diverted between household, business, and government sectors. Common instruments are corporate stocks, government bonds, and paper currency.

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Lesson 12: Elasticity and Demand | Unit 3: Measurement Page: 10 of 25

Topic: Doing The Numbers <=PAGE BACK | PAGE NEXT=>

  • Suppose we have the following price and quantity values for the demand of calling minutes in cellular phones:

    P1 = 10 cents, Q1 = 5 million minutes, P2 = 11 cents, and Q2 = 4.5 million minutes.

  • Plugging theses numbers into the formula gives us:

    elasticity=- 0.105 ÷ 0.095=- 1.105

  • While the quick and dirty elasticity indicates exactly unit elastic demand (1 on the nose), the midpoint formula indicates relatively elasticity demand (1.105).

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LAISSEZ FAIRE

The notion that government should not intervene into production, consumption, and exchange activities and that the private sector (households and businesses) should be free to make allocation decisions. Laissez faire is a French term that roughly translates into "allow to act." It has been the rallying cry for many people (primarily business leaders) who oppose government intervention, regulation, or even taxation since it was popularized in the late 1700s by Adam Smith in The Wealth of Nations.

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Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a bookshelf that will fit in your closet or a birthday greeting card for your grandfather. Be on the lookout for mail order catalogs with hidden messages.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
"Old age isn't so bad when you consider the alternative. "

-- Cato, Roman orator

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Philiadelphia Stock Exchange
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