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October 17, 2018 

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WANTS: This is often thought of as a psychological desire which makes life just a little more enjoyable, but which is not physiological necessary to life. You need oxygen, but you want a hot fudge sundae. Satisfaction is achieved by fulfilling wants.

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FOUR-FIRM CONCENTRATION RATIO: The proportion of total output in an industry that's produced by the four largest firms in the industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and how market control is held by the four largest firms in the industry.

     See also | concentration ratio | eight-firm concentration ratio | market share | market control | oligopoly | monopolistic competition |


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FOUR-FIRM CONCENTRATION RATIO, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2018. [Accessed: October 17, 2018].


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OLIGOPOLY AND MONOPOLISTIC COMPETITION

Oligopoly and monopolistic competition have some similarities, but also have a few important differences. Both are examples of imperfect competition on the market structure continuum between ideals of perfect competition and monopoly. However, oligopoly contains a small number of large firms and monopolistic competition contains a large number of small firms. The dividing line between oligopoly and monopolistic competition can be blurred due to the number of firms in the industry.

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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club hoping to buy either an AC adapter for your CD player or storage boxes for your family photos. Be on the lookout for the last item on a shelf.
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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
"Do what you feel in your heart to be right for you'll be criticized anyway. You'll be damned if you do and damned if you don't. "

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