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REAL PURCHASING POWER: The ability to acquire wants-and-needs satisfying goods and services with income or money. The real purchasing power of income or money depends on the prices of the goods and services. If the price level, for example, doubles, then a given amount of money can purchase half as many goods and services.
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SAY'S LAW A principle of classical economics developed the French economist Jean-Baptiste Say that is commonly summarized as "supply creates its own demand." This law, also referred to as Say's "theory of markets" or "law of markets," indicates that the act of producing aggregate output generates a sufficient amount of aggregate income to purchase all of the output produced. This principle indicated that excess production or insufficient demand for production was unlikely to occur, at least for any extended period. When combined with flexible prices and saving-investment equality, Say's law further implied that an economy would achieve and maintain full employment of resources. This law was singled out by John Maynard Keynes in his critique of classical economics, but remains relevant in current macroeconomic analysis, reflected in the circular flow model.
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WHITE GULLIBON
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Today, you are likely to spend a great deal of time surfing the Internet looking to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for telephone calls from long-lost relatives.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"The roots of education are bitter, but the fruit is sweet." -- Aristotle, Greek philosopher
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AS-AD
Aggregate Supply-Aggregate Demand Model
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