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LRAC: The abbreviation for long-run average cost, which is the per unit cost of producing a good or service in the long run when all inputs are variable. In other words, long-run total cost divided by the quantity of output produced. Long-run average cost is based on economies of scale (or increasing returns to scale) and diseconomies of scale (or decreasing returns to scale).

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KEYNESIAN MODEL

A macroeconomic model based on the principles of Keynesian economics that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. This model identifies equilibrium aggregate production and income as the intersection of the aggregate expenditures line and the 45-degree line. The Keynesian model comes in three basic variations designated by the number of macroeconomic sectors included--two-sector, three-sector, and four sector. The Keynesian model is also commonly presented in the form of injections and leakages in addition to the standard aggregate expenditures format. This model is used to analyze several important topics and issues, including multipliers, business cycles, fiscal policy, and monetary policy.

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APLS

BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time surfing the Internet seeking to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for telephone calls from former employers.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"When we do the best we can, we never know what miracle is wrought in our life or in the life of another. "

-- Helen Keller, lecturer, author

PDI
Personal Disposable Income
A PEDestrian's Guide
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