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MARGINAL PROPENSITY TO CONSUME: The proportion of each additional dollar of household income that is used for consumption expenditures. Or alternatively, this is the change in consumption expenditures due to a change in disposable income. Abbreviated MPC, the marginal propensity to consume is the slope of the consumption or propensity-to-consume line that forms the foundation for Keynesian economics. As such, it also takes center stage for the slope of the aggregate expenditure line and the multiplier effect. The sum of the marginal propensity to consume and the related concept, the marginal propensity to save, is equal to one.
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INJECTIONS Non-consumption expenditures on aggregate production. The three aggregate expenditures grouped under the heading of injections are investment expenditures, government purchases and exports. Injections add to the core circular flow containing consumption, production, and income. The injections-leakages model is a Keynesian economics analysis that combines injections with leakages (saving, taxes, and imports) to identify the equilibrium level of aggregate production and income.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall trying to buy either a coffee cup commemorating last Friday (you know why) or a wall poster commemorating the first day of spring. Be on the lookout for fairy dust that tastes like salt.
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This isn't me! What am I?
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One of the largest markets for gold in the United States is the manufacturing of class rings.
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"A ship ought not to be held by one anchor, nor life by a single hope. " -- Epictetus, philosopher
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BPEA
Brookings Papers on Economic Activity
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