# marginal product

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## marginal product

[′mär·jən·əl ′präd·əkt]
(industrial engineering)
The extra unit of output obtained by one extra unit of some factor, all other factors being held constant.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Marginal physical product (MPPw) of the factor water for the without plastic mulch (SC) experiment Irrigation depths MPPw (mm) 92.66 0.4185 139.00 0.2517 169.36 0.1424 231.66 -0.0819 277.98 -0.2486 Table 3.
The quantity of fertilizer applied to the cocoa farm had the highest marginal physical product (133.11 kg/ bag), followed by cocoa farm size (126.31 kg/ha), the quantity of insecticides (30.49 kg/litre), household size (22.64 kg/person) and finally, the quantity of fungicides variable (1.39 kg/satchet).
(Robinson argues that the removal of imperfections in the output market may eliminate exploitation but actually reduce the wage paid to workers, as the price of output will have fallen and marginal physical product may fall.
The marginal physical products of applied nitrogen are driven down by the presence of legume nitrogen; thus, the yield benefits of using the legume cover crops decrease with increases in applied nitrogen.
It is the product of the marginal physical product of labor in industry Y ([[MPP.sub.L].sup.Y]) and the total amount of labor.
The marginal physical product is the addition to output made by the last worker hired.
It is the product of the marginal physical product of labor in industry X ([Mathematical Expression Omitted]) and the total amount of labor.
The MRP (VMP) curve, being the product of the marginal physical product and marginal revenue (price) of the output, for most practical purposes, cannot be linear because the product of even two convex functions would most likely be nonlinear with respect to the variable input L.
Those conditions then read: hire factors up to the point where their marginal revenue products, or marginal physical products multiplied by marginal revenue, equal their factor prices.

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