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September 6, 2026 

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HERFINDAHL-HIRSHMAN 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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WHITE GULLIBON
Your compete MICRO*scope for today

You are the type of person who is largely unaware and clueless about being unaware and clueless. Family and friends see you as an easy mark. Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either pink cotton balls or a genuine down-filled comforter. Be on the lookout for celebrities who speak directly to you through your television. You should consider shopping at stores or businesses beginning with the letter X, but do not buy any products with a serial number or product code containing the number 907539. Your preferred shopping venue is television shopping channels. Your special symbol is the minus sign (-).


Is this You?

As a White Gullibon, you are extremely trusting but somewhat impressionable, seeing only the good in other people. You tend to be a bit naive in the wily ways of the marketplace and thus are often exploited by others, especially the Reg Aggressorine. Like it or not, you are the poster child for the phrase "let the buyer beware." You are empathetic to the plight of others, often to your own detriment.


This isn't me! What am I?
LONG-RUN AGGREGATE SUPPLY CURVE

A graphical representation of the long-run relation between real production and the price level, holding all ceteris paribus aggregate supply determinants constant. The long-run aggregate supply curve, abbreviated LRAS, is one of two curves that graphically capture the supply-side of the aggregate market. The other is the short-run aggregate supply curve. The demand-side of the aggregate market is occupied by the aggregate demand curve. The vertical long-run aggregate supply curve captures the independent relation between real production and the price level that exists in the long run.

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Fact 4: Our Monopolized Markets

Our 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.
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APLS

General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
"The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those that fail. "

-- Napoleon Hill, author

AACCLA
Association of American Chambers of Commerce in Latin America
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