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INCOME, DEMAND DETERMINANT: One of the five demand determinants assumed constant when a demand curve is constructed, and that shift the demand curve when they change. Income affects demand differently for normal goods and inferior goods. A normal good, the name indicates, is affected by income much as you might expect. Additional income allows buyers to purchase more normal goods, thus demand increases with an increase in income. The demand for an inferior good is affected exactly opposite. An increase in income causes a decrease in the demand for an inferior good. Buyers decide to buy less of an inferior good when they have additional income.
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                           MARGINAL PRODUCT CURVE: A curve that graphically illustrates the relation between marginal product and the quantity of the variable input, holding all other inputs fixed. This curve indicates the incremental change in output at each level of a variable input. The marginal 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 average product curve. The marginal product curve plays in key role in the economic analysis of short-run production by a firm. The marginal product curve illustrates how marginal product is related to a variable input. While the standard analysis of short-run production relates marginal product to labor, a marginal product curve can be constructed for any variable input. | Marginal Product Curve |  |
The diagram to the right graphically represents the relation between marginal 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 marginal Gargantuan Taco production of each extra worker, measured on the vertical axis, ranges from 0 to 30.The shape of this marginal product curve is worth noting. For the first two workers of variable input, marginal product increases, as each added worker contributes more to the total production of Gargantuan Tacos than previous workers. This increasing marginal product is reflected in a positive slope of the marginal product curve. Beyond the third worker, the marginal product declines, as each added worker contributes less to the total production of Gargantuan Tacos than the previous worker. This decreasing marginal product is seen as a negative slope. The marginal product eventually declines until it reaches zero and even becomes negative. This results as the marginal product curve cuts through the horizontal axis. The hump-shape of the marginal product curve embodies the essence of the analysis of short-run production. The upward-sloping portion of the marginal product curve, up to the third worker, is due to increasing marginal returns. Decreasing marginal returns sets in after the marginal product curve peaks with the second worker and declines for the third worker. In particular, this declining segment of the marginal product curve reflects the law of diminishing marginal returns.
Recommended Citation:MARGINAL PRODUCT CURVE, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2024. [Accessed: May 18, 2024].
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Today, you are likely to spend a great deal of time at the confiscated property police auction looking to buy either galvanized steel storage shelves or a large green chalkboard shaped like the state of Maine. Be on the lookout for slow moving vehicles with darkened windows.
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Al Capone's business card said he was a used furniture dealer.
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"Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not; it is the first lesson that ought to be learned; and however early a man's training begins, it is probably the last lesson that he learns thoroughly. " -- Thomas H. Huxley, Scientist
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MU
Marginal Utility
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