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VARIABLE INPUT: An input whose quantity can be changed in the time period under consideration. This should be immediately compared and contrasted with fixed input. The most common example of a variable input is labor. A variable input provides the extra inputs that a firm needs to expand short-run production. In contrast, a fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive. This is, by the way, the law of diminishing marginal returns.
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INVESTMENT EXPENDITURES Expenditures made by the business sector on final goods and services, or gross domestic product, especially the purchase of productive capital goods. Investment expenditures play a central role in macroeconomic activity affecting both short-run business cycles and long-run economic growth. These expenditures reflect the general act of investment involving foregoing current satisfaction to produce capital goods and are officially measured by gross private domestic investment. These are one of four expenditures on gross domestic product. The other three are consumption expenditures, government purchases, and net exports.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
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"Life is not a 'brief candle.' It is a splendid torch that I want to make burn as brightly as possible before handing it on to future generations. " -- Bernard Shaw, journalist
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FAO
Food and Agricultural Organization
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