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CHANGE IN INVENTORIES: The increase or decrease in the stocks of final goods, intermediate goods, raw materials, and other inputs that businesses keep on hand to use in production the occur because aggregate expenditures are not equal to aggregate output. Inventory changes play a key role in the Keynesian economics and the analysis of macroeconomic equilibrium. When inventory changes are zero, then aggregate expenditures are equal to aggregate output and there is no reason for the business sector to change the rate of production. Hence this is equilibrium.
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ASSUMPTIONS, KEYNESIAN ECONOMICS The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time surfing the Internet trying to buy either a pair of leather sandals that won't cause blisters or clothing for your kitty cats. Be on the lookout for poorly written technical manuals.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
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"The best way to cheer yourself up is to try to cheer somebody else up." -- Mark Twain
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