1.

Comment on the shape of the MR curve in case the TR curve is a (i) positively sloped straight line, (ii) horizontal straight line

Answer»

Solution :(i) When TR curve is positively SLOPED STRAIGHT line , MR is a horizontal line. MR coincides with the demand curve. Price or AR is constant at each level of OUTPUT.

(ii) When TR is a horizontal straight line MR is ZERO. It is because horizontal TR means when price falls , quantity demanded rises in the same PROPORTION. Thus, MR is zero . MR curve coincides with the x-axis.


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