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HHI: The common abbreviation for the Herfindahl-Hirshman index (or the Herfindahl index), which is a measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

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LABOR FORCE PARTICIPATION RATE

The proportion of the total noninstitutionalized civilian population 16 years of age and over that is in the civilian labor force. The labor force participation rate is essentially the ratio of the civilian labor force to the total noninstitutionalized civilian population 16 years of age and over. The data used to estimated the labor force participation rate is obtained along with other labor force data from the monthly Current Population Survey conducted by the Bureau of the Census for the Bureau of Labor Statistics. Labor force participation rates are also commonly calculated using data derived from the Census of the Population.

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APLS

BEIGE MUNDORTLE
[What's This?]

Today, you are likely to spend a great deal of time at a garage sale wanting to buy either a turbo-powered vacuum cleaner or a battery-powered, rechargeable vacuum cleaner. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"Everyone is bound to bear patiently the results of his own example. "

-- Phaedrus, Philosopher

PPI
Producer Price Index
A PEDestrian's Guide
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