In a hypothetical economy X, autonomous consumption equals to 800 and the marginal propensity to save equals to 0.25 Required: (i) Formulate the consumption function (ii) If the level of investment increased by Sh.1.000 million, determine the change in equilibrium national income
With the help of a diagram, justify why the condition that marginal revenue equals to marginal cost (MR-MC) is only a necessary but not a sufficient condition for maximisation.
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