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PAPER ECONOMY: Markets, exchanges, and assorted economic activity that deal with legal or paper claims on physical assets rather than the physical assets. The vast majority of activities for the paper economy take place through financial markets. The paper (or financial) economy is based legal claims on these physical goods and resources. The term paper economy is used because these legal claims historically have been pieces of paper--paper that you can't eat, wear, or live in to satisfy wants and needs. However, as technology progresses, much of the paper is giving way to electronic data storage.

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MARGINAL PROPENSITY TO INVEST

The change in business investment expenditures induced by a change in income or production (national income or gross domestic product). The marginal propensity to invest (abbreviated MPI) is another term for the slope of the investment line and is calculated as the change in investment divided by the change in income or production. The MPI plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part to the multiplier process. A related marginal measure is the marginal propensity to consume.

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Today, you are likely to spend a great deal of time flipping through mail order catalogs seeking to buy either a rim for your spare tire or decorative celebrity figurines. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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A half gallon milk jug holds about $50 in pennies.
"The only profit center is the customer."

-- Peter Drucker, educator

GATT
General Agreementon Tariffs and Trade
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