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January 27, 2026 

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KALDOR-HICKS IMPROVEMENT: Based on the Kaldor-Hicks efficiency criterion, the notion that an action improves efficiency if the willingness to pay of those benefiting exceed the willingness to accept of those harmed. In other words, if those gains exceed those losses, or the benefits exceed the costs, then social welfare is improved and undertaking the action provides a net benefit to society. In other words, the winners can, in principle, compensate the losers for their loss, and still come out ahead. The actual compensation, however, is required. A contrasting condition for attaining efficiency is the Pareto improvement.

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PERFECT COMPETITION, LONG-RUN ADJUSTMENT

A perfectly competitive industry undertakes a two-part adjustment to equilibrium in the long run. 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 eliminate economic profit or economic loss. The end result of this long-run adjustment is a multi-faceted equilibrium condition that price is equal to marginal cost and average cost (both short run and long run).

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APLS

ORANGE REBELOON
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Today, you are likely to spend a great deal of time going from convenience store to convenience store looking to buy either a 50-foot blue garden hose or a turbo-powered vacuum cleaner. Be on the lookout for strangers with large satchels of used undergarments.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
"Don't judge each day by the harvest you reap, but by the seeds you plant."

-- Robert Louis Stevenson, Author

PPI
Producer Price Index
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