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PERFECT COMPETITION, SHORT-RUN PRODUCTION ANALYSIS: A perfectly competitive firm produces the profit-maximizing quantity of output that equates marginal revenue and marginal cost. This production level can be identified using total revenue and cost, marginal revenue and cost, or profit. Because a perfectly competitive firm faces a perfectly elastic demand curve, it efficiently allocates resources by equating price and marginal cost. In addition, the marginal cost curve above the average variable cost curve is the perfectly competitive firm's short-run supply curve.

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CARDINAL UTILITY

The notion that utility--the satisfaction of wants and needs achieved through the consumption of goods and services--can be measured with numerical values (1, 2, 3, etc.) that are based on a benchmark scale. Cardinal utility presumes that satisfaction is a measurable characteristic of a person, like height or weight. The contrasting notion is ordinal utility, which is based on a ranking of preferences.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time touring the new suburban shopping complex wanting to buy either a wall poster commemorating the first day of spring or a lazy Susan for you dining room table. Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?

John Maynard Keynes was born the same year Karl Marx died.
"Luck is what happens when preparation meets opportunity. "

-- Seneca, Roman philosopher

PIH
Permanent Income Hypothesis
A PEDestrian's Guide
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