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Elesticity - What must be true about the demand function if E=0?

  1. Nov 13, 2005 #1
    What must be true about the demand function if E=0?
    i know that E=0 is perfectly inelastic. What is it about the demand function?
     
  2. jcsd
  3. Nov 14, 2005 #2

    HallsofIvy

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    No, you don't know that. "E= 0" is perfectly constant, not "perfectly inelastic"! If E, the "elasticity of demand", is 0 then, by definition of E, it is the demand that is "perfectly inelastic". Review your books definition of "E".
     
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