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In economics an isocost line shows all combinations of inputs which cost the same total amount The isocost line is combined with the isoquant map to determine the optimal production point at any given level of output. Specifically, the point. Isocost-isoquant analysis: theory of production: The production function: a figure known as an isoquant diagram (Figure 1). In the graph, goldsmith-hours per. Isoquants: An isoquant (equal quantity) is a curve that shows the combinations of certain inputs such as Labor (L) and Capital (K) that will produce a certain.

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After this point is reached, expansion of scale leads to equal prop The isoquants show different levels of output in the figure. The calculation of taxable income is done for the individual who is an Indian resident. An isoquant shows the various combination of two inputs that can be used to produce a specific level of output. These alternatives are shown also in Fig.

The choice is based on the prices of factors of production at a particular time. When the amount of money spent by the firm changes, the isocost line may shift but its slope remains the same.

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Isoquant and Isocost Lines (With Diagram) | Economics

To maintain the same output of units, BR less of capital and relatively RC more of labour is used. The minimum-cost points are A, D and E. This analysis is based on the same assumptions, as given above.


Suppose capital is a fixed factor and labour is a variable factor. These curves are also known as outlay lines, price lines, input-price lines, factor-cost lines, constant-outlay lines, etc. This proves that the marginal returns or physical productivity of the variable factor, labour, have diminished.


Com ma economics ma education ma history ma political science ma psychology ma public administration master degree programs isosuant courses. If the isoquants are smooth and convex to the origin and the cost-minimizing input bundle involves a positive amount of each input, then this bundle satisfies the following two conditions:.

While going through this analysis students may feel it is a revision of the indifference curve and the budget line. The slope of iso cost line indicates the ratio of the factor prices. At point P, the slope of the isoquant isiquant is equal to the slope of the isocost line CL. This condition makes sense: Moreover, supply depends on cost of production. An isoquant is a locus of siocost showing all the technically efficient ways of combining factors of production to produce a fixed level of output.

Transport and marketing difficulties emerge.

Laws of Returns: The Isoquant-Isocost Approach | Economics

Returns to scale may start diminishing due to the following factors. Any units of output such as 5, 10, 15, 20 or,or any other units can he taken. We could draw as many isoquants as we like.


In other words, the marginal rate of technical substitution of labour for capital MRTS LC must be diminishing at the point of tangency for equilibrium to be stable. If a producer seeks to minimize the cost of producing a given amount of output the condition of the equilibrium, is that the marginal rate of technical substitution must be equal to the factor price ratio.

Explain a firm’s equilibrium with the help of isoquants and isocost line.

It may be able to install islquant machines, sell its products more easily, borrow money cheaply, procure the services of more efficient manager and workers, etc. The person who fills in the return should also complete the entries in the acknowledgement fo From Wikipedia, the free encyclopedia.

Thus it is clear that an isoquant must slope downward to the right as shown in Figure M is thus the optimal combination for the firm. Cost minimisation occurs when an isoquant is just tangent to but does not cross an isocost line.

The firm experiences internal diseconomies.