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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 – “The 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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