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HARD MONEY: Historically money that is in the form of precious metals, especially gold. In modern times, any national currency that is expected to retain its value (and even appreciate in value), and is readily acceptable for most international transactions. The U.S. dollar, German marc, and Swiss franc tend to be near the top of the list of hard money (also termed hard currency).

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FOUR-SECTOR INJECTIONS-LEAKAGES MODEL

A variation of the Keynesian injections-leakages model that adds the foreign sector to the three domestic sectors--the household sector, the business sector, and the government sector. This variation adds the foreign to the three domestic sectors (household, business, and government) in the three-sector model and provides an alternative to the four-sector aggregate expenditures (Keynesian cross). It provides the complete Keynesian representation of the macroeconomy, including the export-import interaction between the domestic economy and the foreign sector. Equilibrium is identified as the intersection between the S + T + M line and the I + G + X line. Two related variations are the two-sector injections-leakages model and the three-sector injections-leakages model.

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Today, you are likely to spend a great deal of time at a flea market trying to buy either a how-to book on the art of negotiation or a flower arrangement for your aunt. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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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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