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GNP: The abbreviation for gross national product, which is the total market value of all goods and services produced by the citizens of an economy during a given period of time, usually one year. Gross national product, often was once the federal government's official measure of how much output our economy produces. In the early 1990s, however, it was replaced by gross domestic product (GDP).

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FOUR-SECTOR AGGREGATE EXPENDITURES LINE: A graphical depiction of the relation between aggregate expenditures by the four macroeconomic sectors (household, business, government, and foreign) and the level of aggregate income or production. The four-sector aggregate expenditures line combines consumption expenditures, investment expenditures, government purchases, and net exports. The slope of this aggregate expenditures line is based on the marginal propensity to consume, adjusted for marginal propensities of the other expenditures that are assumed to be induced when constructing the line. This is one of three aggregate expenditures lines based on the number of sectors included. The others are the two-sector aggregate expenditures line and the three-sector aggregate expenditures line.

     See also | aggregate expenditures line | two-sector aggregate expenditures line | three-sector aggregate expenditures line | derivation, aggregate expenditures line | slope, aggregate expenditures line | intercept, aggregate expenditures line | aggregate expenditures determinants | induced expenditures | autonomous expenditures | macroeconomic sectors | consumption expenditures | investment expenditures | government purchases | net exports | aggregate expenditures | Keynesian economics | macroeconomics | household sector | business sector | government sector | foreign sector | national income | gross domestic product | effective demand | psychological law | consumption line | investment line | government purchases line | net exports line | Keynesian model | two-sector Keynesian model | three-sector Keynesian model | four-sector Keynesian model | Keynesian equilibrium | injections-leakages model | two-sector injections-leakages model | three-sector injections-leakages model | four-sector injections-leakages model | aggregate demand | paradox of thrift | fiscal policy | multiplier |


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FOUR-SECTOR AGGREGATE EXPENDITURES LINE, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 13, 2025].


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FIRST RULE OF SCARCITY

The first of seven basic rules of the economy, stating that the world is faced with limited resources but unlimited wants and needs satisfied from these resources. Scarcity is THE economy problem upon which the entire study of economics is built. A primary implication of scarcity is that the pursuit of an activity results in an opportunity cost.

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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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