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May 6, 2026 

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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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LONG-RUN AGGREGATE MARKET

A macroeconomic model relating the price level and real production under the assumption that ALL prices are flexible. This is one of two aggregate market submodels used to analyze business cycles, gross production, unemployment, inflation, stabilization policies, and related macroeconomic phenomena. The other is the short-run aggregate market. The long-run aggregate market isolates the interaction between aggregate demand and long-run aggregate supply. The key assumption of this model is that ALL prices, especially resource prices, are flexible. The primary result of this model is that the economy achieves long-run equilibrium at full-employment real production.

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BUSINESS As Usual

In the same mini-mall with Dr. Nova Cain's dental offices and Smilin' Ted's All Comers Insurance Agency, resides Manny Mustard's House of Sandwiches -- one of those small, out-of-the-way, off-the-wall sorts of restaurants that has great food, excellent service, and plenty of atmosphere. Manny, the proprietor, is a good friend of mine who's struggling to turn his dream of restauranteering into reality. His restauranteering dream doesn't stop with one small, out-of-the-way, off-the-way restaurant with great food, excellent service, and atmosphere. No, Manny is shooting for a nation-wide chain of Manny Mustard's House of Sandwiches. He wants to go from being an overworked, underappreciated member of the third estate to a member of the second estate who overworks and underappreciates others. To help out my good friend Manny, let's take a long, hard look at the differences between small business and the larger, Fortune 500 kind.
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RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a T-shirt commemorating last Friday (you know why) or a rotisserie oven that can also toast bread. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
"Each of us is issued but one life, and we know full well how it all ends. It would be regrettable to squander this one chance on someone else's appearance, someone else's experience. "

-- Joseph Brodsky, Writer

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