What is promotional elasticity in economics?

Economics, finding demand elasticity based on supply elasticity?

  • 11) Suppose the supply elasticity is 0.6. What must the demand elasticity be? a) - 0.6 b) - 0.9 c) – 0.5 d) – 0.3

  • Answer:

    a) - 0.6 If it's supply elasticity of demand and demand elasticity of supply, then the plots are mirror images for the same market conditions and so, only the sign of the slope changes.

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Really don't know. It depends on the slope of the demand curve. All answers can be true.

Anjaree

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