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AGGREGATE EXPENDITURE EQUATION: An equation indicating that aggregate expenditures (AE) are the sum of consumption expenditures (C), investment expenditures (I), government purchases (G), and net exports (X-M), stated as: AE = C + I + G + (X-M). This equation surfaces in the Keynesian economic income-expenditure model in the form of the aggregate expenditures line. However, it's also central throughout the study of macroeconomics, including aggregate demand and the measurement of gross domestic product.
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HERFINDAHL INDEX A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.
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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a T-shirt commemorating the first day of winter or software that won't crash your computer. Be on the lookout for infected paper cuts.
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More money is spent on gardening than on any other hobby.
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"Habit is a cable; we weave a thread of it each day, and at last we cannot break it. " -- Horace Mann, educator
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PSBR
Public Sector Debt Repayment
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