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ENDPOINT FORMULA: A simple technique for calculating the coefficient of elasticity that estimates the elasticity for discrete changes in two variables, A and B. The distinguishing characteristic of this formula is that percentage changes are calculated based on the initial values of each variable. This is much simpler than the midpoint formula, which is based on the percentage change from an average of the initial and ending values. The primary problem with the endpoint formula is that different elasticity values are obtained for price increases than for price decreases of the same segment of the demand curve.
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PUBLIC CHOICE The study of collective decisions made by groups of individuals, especially those decisions made by government organizations. As the name suggests, public choice is primarily the study of how choices (decisions) are made by the public (government) sector. Such choices are made, in principle, on behalf of the public or all members of society, to correct market failures or imperfections in the private sector. However, in that the world is imperfect on all fronts, the government sector also comes up short in many cases, with inefficient imperfections due to election seeking politicians, ignorant and abstaining voters, special interest groups, and government bureaucracies.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either a video game player or an AC adapter that won't fry your computer. Be on the lookout for telephone calls from former employers.
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This isn't me! What am I?
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
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"It is not fair to ask of others what you are unwilling to do yourself. " -- Eleanor Roosevelt, diplomat, activist
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JET
Journal of Economic Theory
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