CONSUMPTION FUNCTION: The positive relation between household consumption expenditures and household disposable income that forms one of the key building blocks for Keynesian economics. The consumption function is commonly presented as the consumption line or propensity-to-consume line. The slope of this line is the marginal propensity to consume, which is the proportion of any additional income used for consumption. The consumption function and the marginal propensity to consume play key roles in the multiplier and accelerator concepts. Because saving is the difference between disposable income and consumption, the saving function is a complementary relation to the consumption function.

     See also | Keynesian economics | consumption expenditures | disposable income | consumption line | multiplier | accelerator | saving function | income-expenditure model | marginal propensity to consume | induced consumption | autonomous consumption |

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A subset of the balance of payments current account that records the difference between gifts or transfers received from other nations and transfers sent to other nations. In includes gifts or transfers between individuals, and perhaps more important, it includes transfers between governments. Two other subsets of the current account include the balance on merchandise trade and balance on services. Unilateral transfers are not included in the balance of trade, which is the sum of the balance on merchandise trade and the balance on services.

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