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GIFFEN GOOD: A rare type of good seldom seen in the real world, in which a change in price causes quantity demanded to change in the same direction (in violation of the law of demand). In other words, an increase in the price of a Giffen good results in an increase in the quantity demanded. The existence of a Giffen good requires the existence of special circumstances. First, the good must be an inferior good. Second, the income effect triggered by a change in price must overwhelm the substitution effect. A Giffen good is most likely to result when the good is a significant share of the consumer's budget.
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MARGINAL UTILITY OF INCOME The change in utility resulting from a given change in income. This is a specialized case of the general notion of marginal utility, which is simply the change in utility resulting from a given change in the consumption of a good. Marginal utility of income is key to identifying alternative risk preferences, including risk aversion, risk neutrality, and risk loving. These three risk preferences are indicated by three marginal utility of income possibilities, decreasing (risk aversion), increasing (risk loving), and constant (risk neutrality).
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A Brief Introduction To Get You StartedThrough undaunted determination, sheer luck, or a missed turnpike exit, you have happened upon A Pedestrian's Guide to the Economy. You'll find hours of reading pleasure contained within this site, with more entertainment value per calorie than most office memos. A Pedestrian's Guide to the Economy, however, is more than a recreational web site. As a handy reference source, it provides answers to many of the most asked, a few of the least asked, and some of the never asked questions about the economy.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time strolling through a department store trying to buy either a set of steel-belted radial snow tires or a wall poster commemorating the 2000 Presidential election. Be on the lookout for slow moving vehicles with darkened windows.
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This isn't me! What am I?
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"No task is a long one but the task on which one dare not start: It becomes a nightmare. " -- Charles Baudelaire, poet-critic
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AS-AD
Aggregate Supply-Aggregate Demand Model
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