# Law of return in economics. Law of Diminishing Marginal Returns 2019-03-04

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## What is law of diminishing returns? definition and meaning

Rent arises in the Ricardian sense because the operation of the law of diminishing returns on land forces the application of additional doses of labour and capital on a piece of land does not increase output in the same proportion due to the operation of this law. In Underdeveloped Countries: Above all, it is of fundamental importance for understanding the problems of underdeveloped countries. Three Stages of Production: Stage-I: Increasing Returns: In stage I the average product reaches the maximum and equals the marginal product when 4 workers are employed, as shown in the Table 1. However, the returns due to variations in factors are not fixed. They represent benefits to firms in an industry through technological interdependence of firms. The firm can change its plants or scale of production.

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## Production Function: Law of Variable Proportions and Law of Returns to Scale

Thus, the law f of increasing return signifies that cost per unit of the marginal or additional output falls with the expansion of an industry. The term output refers to the commodity produced by the various inputs. It may have excess capacity or idle capacity. Risk-Bearing Economies: A large firm is in a better position than a small firm in spreading its risks. Once the point is reached at which the amount of the variable factor is sufficient to ensure the efficient utilization of the fixed factor, further increases in the variable factor will cause the marginal returns to decline, because now the fixed factor becomes inadequate relative to the variable factor.

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## Laws Of Return in Economics

If perfect substitutes were available, then the paucity of the scarce factors in combining with variable factor would have been avoided. Here too we may consider Samuelsonian Approach for plotting Marginal Returns on the graph, in which marginal returns can be viewed as occurring in the interval between the two successive units of inputs, e. Adding the fertilizer at that rate, you see a 25% increase in crop yield. The main negative effect of this law is the fact that the output for an individual laborer falls, and this affects the whole process. Explanation : Given these assumptions, when all inputs are increased in unchanged proportions and the scale of production is expanded, the effect on output shows three stages: increasing returns to scale, constant returns to scale and diminishing returns to scale. Constant Returns to Scale: Constant returns to scale or constant cost refers to the production situation in which output increases exactly in the same proportion in which factors of production are increased.

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## Laws of Returns: The Traditional Approach

The returns to scale are constant when internal diseconomies and economies are neutralised and output increases in the same proportion. The use of money in measuring the product may show increasing rather than decreasing returns if the price of the product rises, even though the output might have declined. When they invent new production techniques or processes, the latter become the property of the firm which utilises them for increasing its output and reducing costs. Let us assume that a farmer has a fixed size of land, say one acre, and that he now applies gradually doses of variable factor, say labor, in order to produce rice. But when units of the variable factor are applied in sufficient quantities, division of labour and specialization lead to per unit increase in production and the law of increasing returns operates. But, as we shall see below, the law of diminishing returns is only one phase of the more comprehensive law of variable proportions.

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## Laws of Returns: The Traditional Approach

They are decreasing if the increase in output is less than proportional to the increase in inputs. It is said that the raw material wool is subject to diminishing returns. By the diversification of markets, it can counter-balance the fall in demand in one market by the increased demand in other markets. For example, the law of diminishing returns states that in a production process, adding more workers might initially increase output and eventually creates the optimal output per worker. It shows how and to what extent output changes with variations in inputs during a specified period of time. We explore how they work and the. Therefore, this is known as batch production.

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## The Law of Diminishing Marginal Returns

It is possible that there may be an industry where these two tendencies just neutralise each other, and we have constant return. It explains how output changes when all factors of production are changed in the same proportion. E Relation between Internal and External Economies : The relation between internal and external economies is only one of degree. This decentralisation leads to functional specialisation which in­creases the productive efficiency of the firm. Production is smooth and economical, which means increasing returns.

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## Laws of Returns: The Traditional Approach

Large management creates difficulties of control and rigidities. Throughout this stage, the marginal product is below the average product. In fact, the law of diminishing returns is only one phase of the law of variable proportions. The Law of Returns to Scale: The law of returns to scale describes the relationship between outputs and the scale of inputs in the long-run when all the inputs are increased in the same proportion. Marshall pointed out that the part played by nature corresponded to diminishing returns and the part played by man to.

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## What is law of diminishing returns? definition and meaning

When an in­dustry expands in size, firms start specialising in different processes and the industry benefits on the whole. The organization's production is efficient if it is able to maintain its current level of output with fewer inputs or resources or when it is able to increase output with the same level of input. As a result, per unit cost increases. When a business unit expands, the returns to scale increase because the indivisible factors are employed to their maximum capacity. When you plot out cost versus returns, factoring in all costs, you find a bell curve with the peak at 26. From point A upwards, the total product increases at a diminishing rate till it reaches its highest point С and then it starts falling.

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## Law of Diminishing Marginal Returns

The pressure of population on land increases with the increase in population. In simple terms, if factors of production are doubled output will also be doubled. The Law of Returns to Scale : The law of returns to scale describes the relationship between outputs and scale of inputs in the long-run when all the inputs are increased in the same proportion. This law examines the production function with only one factor variable, keeping the quantities of other factors constant. It's important to define metrics as clearly as possible here. While it is tempting to think that doubling the budget on a social media marketing campaign will double the returns, the increase could easily lead to a glut on information on a single social media channel, causing the returns to decrease substantially.

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## Laws of Returns: The Traditional Approach

It shows how and to what extent output changes with variations in inputs during a specified period of time. Then the production function becomes nQ —f nL, nM, nN, nK. The point of diminishing returns is highly dependent on the nature of the system. The industry can also set up an information centre which may publish a journal and pass on information regarding the availability of raw materials, modern machines, export potentialities of the products of the industry in various countries of the world and provide other information needed by the firms. They are explained with the help of Table 2 and Fig. External Economies are external to a firm which is available to it when the output of the whole industry expands.

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