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WELFARE ECONOMICS: A branch of economics that studies efficiency and the overall well-being of society based on alternative allocations of scarce resources. Welfare economics extends the microeconomic analysis of indifference curves to society as a whole. It is concerned with broad efficiency questions and criteria (Pareto efficiency and Kaldor-Hicks efficiency) as well as more specific efficiency issues (market failures, externalities, public goods).
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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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RED AGGRESSERINE
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Today, you are likely to spend a great deal of time looking for a downtown retail store seeking to buy either a pair of leather sandals that won't cause blisters or clothing for your kitty cats. Be on the lookout for broken fingernail clippers.
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The average bank teller loses about $250 every year.
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"Success is the ability to go from one failure to another with no loss of enthusiasm." -- Sir Winston Churchill
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EEO
Equal Employment Opportunity
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