Consumption

Consumption is the using up of a resource. Discussions of human consumption of resources plays an important role in both economics and environmentalism. In Keynesian economics, "consumption" is short-hand for personal consumption expenditure and is determined by the consumption function, especially by the marginal propensity to consume. It is part of aggregate demand or effective demand.

See also: List of things which are neither production nor consumption

Consumption is also an archaic name for the disease tuberculosis, presumably because, prior to the age of modern antibiotics, often it would seem that the disease was consuming patients from within as they coughed up blood.

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