(7) After understanding the revenue and the cost structure under
monopoly, now let us understand the equilibrium i.e. profit
maximisation condition for a monopolist.
(8) Equilibrium under monopoly: The monopolist is in equi-
librium at that point where he maximises his profits. Now the
golden rule for his profit maximization is that
Monopoly AC and MC Under Monopoly
Figure 4.3
Therefore, let us now analyse the equilibrium situation of a
monopolist where the monopolist will adjust his price and output in
such a way that MR = MC and he drives maximum profits.
Equilibrium Under Monopoly
Figure 4.4
This situation can be better understood with the help of the
above diagram:
In the fig. 4.4
— Given the average revenue and marginal revenue curves and
— the average cost and marginal cost curves,
— 'E' is the point of equilibrium Where
MR = MC; and
— OM is the equilibrium output. ,
— The price is indicated by the average revenue curve.
— Therefore, corresponding to the
equilibrium output OM, the
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