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    How to derive MR from demand and find optimal output

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    Assume the graph attached represents the market demand for a patented prescription drug together with the long run marginal cost and average cost functions for producing the drug. (note: the diagram assumes that at output levels over 50 million AFC ~ 0, and MC is constant so that ATC = AVC =MC = $20)

    A) Draw the marginal revenue function for this firm.
    B) What is the profit maximizing price for this firm?
    C) On the graph show the area which represents the net loss to society resulting from the monopoly power conferred by the patent.
    D) What do you predict will happen to the structure of competition and to the price in this market when the patent expires ? (Hint: use the concept of "Minimum efficient scale " of production in your answer.) .

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    Assume the graph below represents the market demand for a patented prescription drug together with the long run marginal cost and average cost functions for producing the drug. (note: the diagram assumes that at output levels over 50 million AFC ~ 0, and MC is constant so that ATC = AVC =MC = $20)

    A)Draw the marginal revenue function for this firm.
    Recall that MR is just the change in TR divided by the change in Output. The rule of thumb is that MR is twice as steep and demand. This can also be solved by taking the derivative of TR = P*Q where you would plug in the ...

    Solution Summary

    The question begins with cost and demand data for a firm. from demand marginal revenue is derived. given marginal revenue the optimal level of output for the firm is solved for. The results are graphed and a brief discussion regarding the loss of surplus is provided. the question compares outcomes under perfect competition with those of monopoly.

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