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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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                           AVERAGE PRODUCT CURVE: A curve that graphically illustrates the relation between average product and the quantity of the variable input, holding all other inputs fixed. This curve indicates the per unit output at each level of the variable input. The average product curve is one of three related curves used in the analysis of the short-run production of a firm. The other two are total product curve and marginal product curve. The average product curve illustrates how average product is related to a variable input. While the standard analysis of short-run production relates average product to labor, an average product curve can be constructed for any variable input. | Average Product Curve |  |
The diagram to the right graphically represents the relation between average product and the variable input. This particular curve is derived from the hourly production of Super Deluxe TexMex Gargantuan Tacos (with sour cream and jalapeno peppers) as Waldo's TexMex Taco World restaurant employs additional workers. The number of workers, measured on the horizontal axis, ranges from 0 to 10 and the average Gargantuan Taco production per worker, measured on the vertical axis, ranges from 0 to 25.The shape of this average product curve is worth noting. For the first two workers of variable input, average product increases. This is reflected in a positive slope of the average product curve. After the third worker, the average product declines. This is seen as a negative slope. While average product continues to decline, it never reaches zero nor becomes negative. To do so would require total product to become zero and negative, which just does not happen. The hump-shape of the average product curve indirectly results from increasing and decreasing marginal returns. The upward-sloping portion of the average product curve, up to the second worker, is indirectly due to increasing marginal returns. The downward-sloping portion of the average product curve, after the third worker, is indirectly due to decreasing marginal returns. and the law of diminishing marginal returns.
Recommended Citation:AVERAGE PRODUCT CURVE, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2020. [Accessed: August 14, 2020].
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time driving to a factory outlet hoping to buy either a really, really exciting, action-filled video game or a coffee cup commemorating the moon landing. Be on the lookout for pencil sharpeners with an attitude.
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects. " -- Alexis de Tocqueville, statesman, author
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MTN
Multilateral Trade Negotiations
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