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LONG-RUN ADJUSTMENT, PERFECT COMPETITION: The combined adjustment of a perfectly competitive industry and of each firm in the industry to an equilibrium condition that eliminates all economic profits and losses, while each firm selects a factor size that maximizes profit. This adjustment process involves two parts. One is the adjustment of each perfectly competitive firm to the appropriate factory size that maximizes long-run profit. The other is the entry of firms into the industry or exit of firms out of the industry, to eliminated economic profits or economic losses. The end result of this long-run adjustment is a multi-faceted equilibrium condition: P = AR = MR = MC = LRMC = ATC = LRAC

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KINKED-DEMAND CURVE ANALYSIS

An analysis using the kinked-demand curve to explain rigid prices often found with oligopoly. The kinked-demand curve contains two distinct segments--one for higher prices that is more elastic and one for lower prices that is less elastic. Key to this analysis is that the corresponding marginal revenue curve contains three segments--one associated with the more elastic segment, one associated with the less elastic segment, and one associated with the kink. A profit-maximizing firm can then equate marginal cost to a wide range of marginal revenue values along the vertical segment of the marginal revenue curve. This suggests that marginal cost must change significantly before an oligopolistic firm is inclined to change price.

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APLS

BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time at a dollar discount store trying to buy either a flower arrangement with anything but tulips for your grandfather or a birthday greeting card for your mother that doesn't look like a greeting card. Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?

A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
"It is only our deeds that reveal who we are. "

-- Carl Jung, psychiatrist

ARCH
Autoregressive Conditional Heteroskedasticity
A PEDestrian's Guide
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