Example sentences of "[is] [vb pp] the marginal [noun sg] [to-vb] " in BNC.

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1 Notice that the slope of the import line is called the marginal propensity to import ( mpm ) , this is the fraction of extra income spent on imports .
2 Similarly , the slope of the saving line measures the increase in saving brought about by a one pound increase in income — this is called the marginal propensity to save ( mps ) .
3 Similarly , the slope of the saving line ( = 0.2 ) represents the fraction of additional disposable income that will be saved and is called the marginal propensity to save ( mps ) .
4 Notice that the slope of the consumption line measures the increase in consumption brought about by a one pound increase in income — this is called the marginal propensity to consume ( mpc ) .
5 Notice that the slope of the consumption line is 0.8 : this represents the fraction of additional disposable income which will be consumed and , as we saw in the last chapter , is called the marginal propensity to consume ( mpc ) .
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