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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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PRICE LEVEL: The average of the prices of goods and services produced in the aggregate economy. In a theoretical sense, the price level is the price of aggregate production. In a practical sense, the price level is measured by either of two price indexes, the Consumer Price Index (CPI) or the GDP price deflator. The CPI is the price index widely publicized in the media and used by the general public. The GDP price deflator, in contrast, is less well-known, but is usually the price index of choice among economists. The inflation rate is calculated as the percentage change in the price level. See also | inflation | aggregate market | Consumer Price Index | GDP price deflator | unemployment | real production | Keynesian economics |  Recommended Citation:PRICE LEVEL, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: June 30, 2025]. AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: price level
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ABILITY-TO-PAY PRINCIPLE A taxation principle stating that taxes should be based on the ability to pay taxes. The ability-to-pay principle works from the proposition that those who have the greatest income should pay the most taxes. The ability-to-pay principle is the only reasonable way to finance the provision of public goods such as national defense, public health, and environmental quality. This is one of two taxation principles. The other is the benefit principle, which states taxes should be based on the benefits received.
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YELLOW CHIPPEROON [What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs looking to buy either income tax software or a how-to book on the art of negotiation. Be on the lookout for fairy dust that tastes like salt. Your Complete Scope
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Post WWI induced hyperinflation in German in the early 1900s raised prices by 726 million times from 1918 to 1923.
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"I learned about the strength you can get from a close family life. I learned to keep going, even in bad times. I learned not to despair, even when my world was falling apart. I learned that there are no free lunches. And I learned the value of hard work. " -- Lee Iacocca
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BPEA Brookings Papers on Economic Activity
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