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GRAPHICAL ANALYSIS: The process of investigating economic phenomena in a systematic manner using graphs and diagrams. Graphical analysis is a common type of economic analysis.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.

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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either hand lotion, a big bottle of hand lotion or a lighted magnifying glass. Be on the lookout for a thesaurus filled with typos.
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A half gallon milk jug holds about $50 in pennies.
"Advice is like snow ‚ the softer it falls, the longer it dwells upon and the deeper it sinks into the mind. "

-- Samuel Taylor Coleridge, poet

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