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PPF: The abbreviation for production possibilities frontier, which is a curve that illustrates the production possibilities for the economy. A production possibilities frontier represents the boundary or frontier of the economy's production capabilities. That's why it's termed a production possibilities frontier (or PPF). As a frontier, it is the maximum production possible given existing (fixed) resources and technology. Producing on the curve means resources are fully employed, while producing inside the curve means resources are unemployed. The law of increasing opportunity cost is what gives the curve its distinctive convex shape.

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TOTAL PRODUCT AND MARGINAL PRODUCT

A mathematical connection between marginal product and total product stating that marginal product IS the slope of the total product curve. If the total product curve has a positive slope (that is, is upward sloping), then marginal product is positive. If the total product curve has a negative slope (downward sloping), then marginal product is negative. If the total product curve has a zero slope (horizontal), then marginal product is zero.

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Today, you are likely to spend a great deal of time at the confiscated property police auction trying to buy either a weathervane with a cow on top or a box of multi-colored, plastic paper clips. Be on the lookout for telephone calls from long-lost relatives.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
"A people that values its privileges above its principles soon loses both. "

-- Dwight Eisenhower, 34th US president

ACIR
Advisory Council on Intergovernmental Relations
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