Distinguish between linear and non-linear consumptions function.
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A consumption function which is the form of a straight linear consumption function.
In case of such a consumption function, the slope of through remain unchanged. In the other words the consumption expenditure. On the other hand the slope of the consumption function will go on changing.
The consumption function expenditure goes on changing in a fixed proportion. On the other hand the consumption expenditure goes on non-in varying proportion.
The degree of the variable of the linear consumption function is equal 1. On the other hand degree of the variable of the non-linear consumption function is 2 or more.
