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    Question

    Who introduced the concept of elasticity of demand?

    A Boulding Correct Answer Incorrect Answer
    B Marshall Correct Answer Incorrect Answer
    C Robinson Correct Answer Incorrect Answer
    D Joel Dean Correct Answer Incorrect Answer

    Solution

    Joan Robinson has said тАУ тАЬThe Elasticity of Demand at any price or at any output, is the proportional change of amount purchased in response to a small change in price, divided by the proportional change in price

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