March 23, 2018 

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AE LINE: Another term for aggregate expenditure line, which is a line representing the relation between aggregate expenditures and gross domestic product used in the Keynesian cross. The aggregate expenditure line is obtained by adding investment expenditures, government purchases, and net exports to the consumption line. As such, the slope of the aggregate expenditure line is largely based on the slope of the consumption line (which is the marginal propensity to consume), with adjustments coming from the marginal propensity to invest, the marginal propensity for government purchases, and the marginal propensity to import. The intersection of the aggregate expenditures line and the 45-degree line identifies the equilibrium level of output in the Keynesian cross.

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PRODUCT MARKET: A market used to exchange a final good or service. Product markets exchange consumer goods purchased by the household sector, capital investment goods purchased by the business sector, and goods purchased by government and foreign sectors. A product market, however, does NOT include the exchange of raw materials, scarce resources, factors of production, or any type of intermediate goods. The total value of goods exchanged in product markets each year is measured by gross domestic product. The demand side of product markets includes consumption expenditures, investment expenditures, government purchases, and net exports. The supply side of product markets is production of the business sector.

     See also | goods | services | circular flow | aggregate market | household sector | business sector | government sector | foreign sector | consumption expenditures | investment expenditures | government purchases | net exports | final good | intermediate good | resources | factors of production | resource markets | factor markets | financial markets | gross domestic product |

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An established method or way of performing an activity that is widely accepted throughout society. Institutions provide the rules, guidelines, and structure needed to carry out day-to-day economic activities, such as production, consumption, and exchange.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors hoping to buy either a New York Yankees baseball cap or a solid oak entertainment center. Be on the lookout for poorly written technical manuals.
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The first "Black Friday" on record, a friday marked by a major financial catastrophe, occurred on September 24, 1869 -- A FRIDAY -- when an attempted cornering of the gold market induced a financial crises and economy-wide depression.
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