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MARGINAL EFFICIENCY OF INVESTMENT: The anticipated rate of return on a capital investment project undertaken by a business firm. Businesses typically compare the marginal efficiency of investment, abbreviated MEI, on physical capital with interest rate returns on financial capital when deciding to undertake an investment project. Because different investment projects have different returns, businesses often have a range of alternatives projects from which to choose. Combining all projects throughout the economy gives rise to an investment demand curve relating investment expenditures to the interest rate.

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SEVENTH RULE OF COMPLEXITY

The seventh of seven basic rules of the economy, stating that every action in the complex world has direct and often intended consequences combined with indirect and probably unintended effects.

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BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either a package of blank rewritable CDs or yellow cotton balls. Be on the lookout for crowded shopping malls.
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It's estimated that the U.S. economy has about $20 million of counterfeit currency in circulation, less than 0.001 perecent of the total legal currency.
"It is the mark of an educated mind to be able to entertain a thought without accepting it."

-- Aristotle

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Bell Journal of Economics
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