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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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Lesson 20: Oligopoly | Unit 5: Evaluation
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Page: 23 of 24
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Topic:
Government Intervention?
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- A couple of important questions regarding Government Intervention:
- Do the bads of oligopoly outweigh the goods?
- If so, can government make it better?
- A major obstacle to answering these questions is that the evidence is seldom clear-cut.
- While concentration creates the opportunity for greater inefficiency, it's no guarantee.
- Should government intervention be pursued, it generally comes in one of three ways:
- Antitrust Laws
- Price Regulation
- Public Ownership
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KEYNESIAN DISEQUILIBRIUM The state of the Keynesian model in which aggregate expenditures are not equal to aggregate production, which results in an imbalance that induces a change in aggregate production. In other words, the opposing forces of aggregate expenditures (the buyers) and aggregate production (the sellers) are out of balance. At the existing level of aggregate production, either the four macroeconomic sectors (household, business, government, and foreign) are unable to purchase all of the production that they seek or producers are unable to sell all of the production that they have.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club looking to buy either a birthday greeting card for your grandmother or a coffee cup commemorating yesterday. Be on the lookout for infected paper cuts.
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This isn't me! What am I?
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
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"The time to repair the roof is when the sun is shining." -- John F. Kennedy, 35th U. S. president
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Y
Income, Nominal Gross National Product
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