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RIVAL CONSUMPTION: Consumption of a good by one person imposes a cost on, or prevents consumption of the good by, another person. Some goods, like food, have extremely rival consumption. One person, and only one person, gets the benefit. Other goods, like national defense, have no consumption rivalry, everyone can benefit simultaneously without imposing a cost on others. This is one of the two key characteristics of a good (the other is excludability) that distinguishes between common-property goods, near-public goods, private goods, and public goods.
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PURPLE SMARPHIN
Your compete MICRO*scope for today
You are the type of person who knows everything that needs to be known about a product before making a purchase. Family and friends suspect that you might a robot, android, or space alien, because NO ONE can be THAT smart. Today, you are likely to spend a great deal of time at a garage sale looking to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for defective microphones. You should consider shopping at stores or businesses beginning with the letter P, but do not buy any products with a serial number or product code containing the number 091997. Your preferred shopping venue is the Internet. Your special symbol is the exclamation point (!).
Is this You?
As a Purple Smarphin, you are the brightest and most intelligent person you know. And that goes for shopping, too. You know exactly what you want. You know exactly what it costs. You know exactly when and where to buy. But, of course, shopping is only one of the many activities that attracts your intellectual attention. You shop when you need to and buy if have to, but shopping is not the end all of your life.
This isn't me! What am I?
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KINKED-DEMAND CURVE ANALYSIS An analysis using the kinked-demand curve to explain rigid prices often found with oligopoly. The kinked-demand curve contains two distinct segments--one for higher prices that is more elastic and one for lower prices that is less elastic. Key to this analysis is that the corresponding marginal revenue curve contains three segments--one associated with the more elastic segment, one associated with the less elastic segment, and one associated with the kink. A profit-maximizing firm can then equate marginal cost to a wide range of marginal revenue values along the vertical segment of the marginal revenue curve. This suggests that marginal cost must change significantly before an oligopolistic firm is inclined to change price.
Complete Entry | Visit the WEB*pedia |
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Packing Up For MIGRATIONThe quiet, peaceful town of Shady Valley has always been a great place for a pedestrian to wander through the workings of the economy. I'm afraid, though, that it's about to end. I've been offered another job -- an opportunity to wander around the streets of the distant mecca of Shady Lane to search out the mysteries of plant pathology. In Shady Lane, the sidewalks are smoother, the crosswalks are better, and the pay is much more lucrative. However, in that Shady Lane is in another time zone and several states away, migration would be my last topic of the day. There's a lot to be gained from this potential relocation of my residence, but it's not without cost. While I ponder this decision, perhaps you can help out by considering the topic of migration.
Tell me more...
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"Being defeated is only a temporary condition; giving up is what makes it permanent." -- Marilyn vos Savant, Author
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ARIMA
Autoregressive Integrated Moving Average
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