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MARGINAL PRODUCTIVITY THEORY: A theory used to analyze the profit-maximizing quantity of inputs (that is, the services of factor of productions) purchased by a firm in the production of its output. Marginal productivity theory indicates that the demand for a factor of production input is based on the marginal product of the factor and the price of the output produced by the factor.

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SLOPE, AGGREGATE DEMAND CURVE

The negative slope of aggregate demand curve, reflecting the inverse relation between the price level and aggregate expenditures on real production, is attributable to three primary effects--real-balance effect, interest-rate effect, and net-export effect.

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APLS

PINK FADFLY
[What's This?]

Today, you are likely to spend a great deal of time strolling through a department store wanting to buy either a wall poster commemorating next Thursday or a pair of gray heavy duty boot socks. Be on the lookout for deranged pelicans.
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This isn't me! What am I?

A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
"We must be willing to let go of the life we have planned, so as to have the life that is waiting for us. "

-- E. M. Forster, writer

QJE
Quarterly Journal of Economics
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