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HERFINDAHL INDEX: 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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GRAY SKITTERY
Your compete MICRO*scope for today
You are the type of person who tends to bounce around from job to job, friend to friend, and activity to activity, never spending too much time or energy doing any one thing. Family and friends seem to be so sure of themselves, so confident, so able to make decisions, it just makes you sick. Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either clothing for your kitty cats or a set of luggage without wheels. Be on the lookout for infected paper cuts. You should consider shopping at stores or businesses beginning with the letter U, but do not buy any products with a serial number or product code containing the number 402448. Your preferred shopping venue is mail order catalogs. Your special symbol is the question mark (?).
Is this You?
As a Gray Skittery, you are ambivalent, indecisive, and uncertain. You are in a constant struggle between the forces of demand and supply, production and consumption, good and evil... and you're losing the battle. You have trouble making decisions and choosing from among the seemingly infinite number of options that you perpetually face. Your shopping experiences are inevitably confusing.
This isn't me! What am I?
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INFLATION CAUSES Inflation, the persistent increase in the average price level, can be caused by an increase in aggregate demand or a decrease in aggregate supply. This suggests two basics sources, causes, or types of inflation--demand-pull inflation and cost-push inflation. While short-term bouts of inflation (up to several months) can result from anything (determinant) that might cause either increases in aggregate demand or decreases in aggregate supply, long-term inflation (a year or more) is possible ONLY through persistent increases in the money supply. As such, while demand-pull inflation and cost-push inflation are convenient ways to catalog the transmission mechanisms of inflation, the ultimate CAUSE of inflation is money.
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Fact 4: Our Monopolized MarketsOur pedestrian's jaunt through the economy is not, unfortunately, an unrestrained shopping spree for confectioneries, spark plug tools, and Houston, Texas. We have other important errands to run. At the moment we need to hike over to Shady Valley's exclusive provider of cable television services, the Merciless Monolithic Media Masters Cable Television Company, Inc., to inquire about a mysterious fee that appeared last month's bill. The good news is that the Merciless Monolithic Media Masters (the 4M people) Cable office is a mere 2 miles (3 kilometers for the metrically inclined) from the Shady Valley Central Town Sprawling Hills Shopping Mall. A hop, skip, and a moderately long jump later, our excursion through the economy takes us to the front door of the 4M Cable Television Company where I hope to discover why last month's cable bill included a $3,569 charge for something called "The Vacation Channel." I didn't even know I had a vacation channel. (But, I'm sure it's a great channel, and if I don't have it, then I will certainly subscribe. Please don't disconnect me.) Of course, because this an afternoon workday, the doors of the 4M office are locked. I can almost make out, through the expensive stained glass windows, what appears to be several Merciless Monolithic Media Masters Cable Television employees, with champaign bottles in hand, dancing on expensive mahogany desks. Let's not disturb them. As they say in the cable business, an upset worker is a disconnected customer.
Tell me more...
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"Something in human nature causes us to start slacking off at our moment of greatest accomplishment. As you become successful, you will need a great deal of self-discipline not to lose your sense of balance, humility and commitment." -- H. Ross Perot
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ICSID International Center for the Settlement of Investment Disputes
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