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June 17, 2026 

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P-E RATIO: Also termed the price-earnings ratio, this is the ratio of the current price for one share of corporate stock to the earnings (profit) per share of stock. This is used by many financial analysts and investors as an indicator of a company's performance and potential for future growth. A relatively high price-earnings ratio suggests that investors think the company has a great deal of future growth potential. It can also be a sign, however, that the company is seriously overpriced and due for a big drop.

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REALISM OF PERFECT COMPETITION: Perfect competition is an idealized market structure that does NOT exist in the real world. While some real world industries might come relatively close to a one or two of the four key characteristics of perfect competition, none matches all four sufficiently that we can declare a perfectly competitively industry. Some industries come close on the large number of small firms and the identical product characteristics. A few industries have relatively good, although not perfect, information about prices and technology. However, almost all industries fall far short of the perfect mobility characteristics.

     See also | perfect competition | perfect competition characteristics | information | assumption | efficiency | allocation | monopoly | market control | substitute | natural monopoly | market | imperfect competition | monopolistic competition | oligopoly | price maker | price taker |


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REALISM OF PERFECT COMPETITION, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: June 17, 2026].


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GOVERNMENT PURCHASES LINE

A graphical depiction of the relation between government purchases by the government sector and the economy's aggregate level of income or production. This relation plays a key role in the study of Keynesian economics. A government purchases line is characterized by vertical intercept, which indicates autonomous government purchases, and slope, which is the marginal propensity for government purchases and indicates induced government purchases. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the government purchases line onto the consumption line, as well as investment expenditures and net exports.

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BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time at an auction hoping to buy either a small, foam rubber football or an instructional DVD on learning to the play the oboe. Be on the lookout for the last item on a shelf.
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More money is spent on gardening than on any other hobby.
"The secret of getting ahead is getting started. The secret of getting started is breaking your complex, overwhelming tasks into small manageable tasks, and then starting on the first one. "

-- Mark Twain, writer

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Business Cycle Development
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