
The law of diminishing returns is a fundamental principle of micro and macro-economics and is central to production theory. It is one of the most recognized economic principles and can be traced back to the 18th century in the work of Jacques Turgot. The law states that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain constant. This principle can be applied to various fields such as agriculture, manufacturing, and marketing. For example, in a production process, adding workers might initially increase output, but beyond a certain point, each additional worker's efficiency will decrease as they get in each other's way. Understanding the law of diminishing returns is crucial for economic intuition and can help in formulating economic policies and understanding other economic concepts such as diminishing marginal utility.
| Characteristics | Values |
|---|---|
| Origin | Agricultural industry |
| Application | Agriculture, mining, forests, fisheries, building industries |
| Use | Aiding in the formulation of economic policies |
| Definition | As investment in a particular area increases, the rate of profit from that investment, after a certain point, can't continue to increase if other variables remain constant |
| Other Names | Law of diminishing marginal returns, principle of diminishing marginal productivity, law of variable proportions |
| Classical Economists' View | Successive diminishment of output is due to a decrease in the quality of input |
| Neoclassical Economists' View | Each unit of labour is identical and diminishment is due to the disruption of the entire production process |
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What You'll Learn
- The law of diminishing returns is a fundamental principle of micro and macroeconomics
- It plays a central role in production theory and is important in areas of production such as farming and agriculture
- The law of diminishing returns can be traced back to the 18th century and the work of Jacques Turgot
- Classical economists attribute the successive diminishment of output to the decreasing quality of inputs
- The law of diminishing returns is also referred to as the law of diminishing marginal productivity

The law of diminishing returns is a fundamental principle of micro and macroeconomics
The law of diminishing returns is a fundamental principle in both microeconomics and macroeconomics. It is one of the most well-known economic principles, and it plays a central role in production theory. The law of diminishing returns states that as investment in a particular area increases, the rate of profit from that investment will, after a certain point, decrease if other variables remain constant. In other words, beyond a certain point, each additional unit of input will yield less output than the previous one.
The concept of diminishing returns can be traced back to the 18th century and the work of early economists such as Jacques Turgot, who argued that "each increase [in an input] would be less and less productive." In the early 19th century, English economists including David Ricardo adopted this law as a result of the lived experience in England after the Napoleonic Wars. They observed the relationship between the prices of wheat and corn and the quality of the land that yielded the harvests. They found that at a certain point, the quality of the land kept increasing, but so did the cost of producing the harvests.
The law of diminishing returns is particularly relevant in areas of production such as farming and agriculture. For example, farmers usually have a finite amount of land on which they can add an infinite number of labourers to increase crop yields. However, there is a point at which an additional worker produces less of an increase in crop yields than the last worker added. This is because, as more workers are added, they begin to get in each other's way, disrupting the production process.
The law of diminishing returns is also applicable in other areas, such as social media marketing. For instance, doubling the budget of a social media marketing campaign may lead to a glut of information on a social media channel, causing the returns to decrease. Understanding the law of diminishing returns is crucial for firms, as it helps them determine how much they can produce and why they choose to produce as much as they do. It also provides a foundation for understanding other economic concepts such as diminishing marginal utility.
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It plays a central role in production theory and is important in areas of production such as farming and agriculture
The law of diminishing returns is a fundamental principle of both micro and macro economics. It plays a central role in production theory, which is the study of the economic process of converting inputs into outputs. It is also important in areas of production such as farming and agriculture.
The law of diminishing returns was developed in the 18th century, primarily within the agricultural industry. Jacques Turgot was the first economist to articulate the concept, arguing that "each increase [in an input] would be less and less productive". In other words, while adding more labour to a fixed amount of capital may initially increase output, the output per worker will eventually reach an optimal level, after which adding more labour will result in smaller increases in output.
This principle is particularly relevant in farming and agriculture, where farmers have a finite amount of land on which they can add labourers to increase crop yields. However, there is a point at which adding another worker will result in less of an increase in crop yields than the previous worker added. This is due to factors such as overcrowding, which can lead to issues such as metabolic issues in cows or ketosis and DA's in calves.
The law of diminishing returns can also be applied to other areas of production, such as manufacturing. For example, adding workers to a factory assembly line beyond a certain number can make it less efficient, as the proportional output becomes less than the labour force expansion.
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The law of diminishing returns can be traced back to the 18th century and the work of Jacques Turgot
The law of diminishing returns is a fundamental principle of micro and macro economics that plays a central role in production theory. The concept can be traced back to the 18th century and the work of Jacques Turgot, who introduced the idea into economic thought. Turgot's proposition, in its simplest form, asserts that as equal quantities of capital and labour are applied successively to a given plot of land, output will increase at first but will then decrease. In other words, "each increase [in an input] would be less and less productive".
The law of diminishing returns was developed primarily within the agricultural industry. In the early 19th century, David Ricardo and other English economists adopted this law as a result of the lived experience in England after the Napoleonic Wars. They observed the relationship between the prices of wheat and corn and the quality of the land that yielded the harvests. They found that at a certain point, the quality of the land kept increasing, but so did the cost of produce. Therefore, each additional unit of labour on agricultural fields provided a diminishing or marginally decreasing return.
Classical economists such as Malthus and Ricardo attributed the successive diminishment of output to the decreasing quality of the inputs. Neoclassical economists, on the other hand, assume that each "unit" of labour is identical. In recent years, economists have sought to redefine the theory to make it more appropriate and relevant in modern economic societies.
The law of diminishing returns remains an important consideration in areas of production such as farming and agriculture. It is also applied to other production systems, such as manufacturing.
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Classical economists attribute the successive diminishment of output to the decreasing quality of inputs
The law of diminishing returns is a fundamental principle of micro and macro economics and plays a central role in production theory. It is one of the most recognised economic principles, and can be traced back to the 18th century and the work of early economists such as Jacques Turgot, who argued that "each increase [in an input] would be less and less productive".
Classical economists, such as Malthus and Ricardo, attributed the successive diminishment of output to the decreasing quality of the inputs. This is in contrast to the assumptions of neoclassical economists, who assume that each "unit" of labour is identical. The law of diminishing returns was developed within the agricultural industry, as economists observed the relationship between the prices of wheat and corn and the quality of the land which yielded the harvests. They noted that, at a certain point, the quality of the land kept increasing, but so did the cost of produce.
This principle can be applied to a manufacturing setting, where adding workers past a certain number to an assembly line can make the process less efficient, as the proportional output becomes less than the labour force expansion. For example, a factory may employ workers to manufacture its products, and, at some point, the company operates at an optimal level. With all other production factors constant, adding additional workers beyond this optimal level will result in less efficient operations.
The law of diminishing returns is also referred to as the "law of diminishing marginal returns", and affirms that the addition of a larger amount of one factor of production will yield decreased per-unit incremental returns. This law does not imply that the additional unit decreases total production, but this is usually the result.
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The law of diminishing returns is also referred to as the law of diminishing marginal productivity
The law of diminishing returns is a fundamental principle of economics and plays a central role in production theory. It is also referred to as the law of diminishing marginal productivity. It states that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain constant. As investment continues past that point, the rate of return begins to decrease.
The law of diminishing marginal productivity involves marginal increases in production resulting from an increase in an input employed. It is associated with diseconomies of scale, where companies do not see a cost improvement per unit with production increases. Instead, there is no return gained for the units produced, and losses can mount as more units are produced. For example, a farmer using fertilizer as an input in the process of growing corn. Each unit of added fertilizer will only increase production return marginally up to a threshold. At the threshold level, the added fertilizer does not improve production and may harm it.
The law of diminishing returns can be traced back to the 18th century in the work of Jacques Turgot, who argued that "each increase [in an input] would be less and less productive". Classical economists such as Malthus and Ricardo attributed the successive diminishment of output to the decreasing quality of the inputs. The law was developed primarily within the agricultural industry, observing the relationship between the prices of wheat and corn and the quality of the land which yielded the harvests.
The law of diminishing returns is also referred to as the law of diminishing marginal returns. This is because the marginal output gets smaller as each new unit of the increasing input is added. For example, a bakery with one baker and two ovens can double its daily bread production by adding a second baker. However, adding a third baker will not necessarily triple the production over the original rate as the three bakers still only have two ovens.
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Frequently asked questions
The law of diminishing returns is an economic principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, can't continue to increase if other variables remain constant. It is also referred to as the law of diminishing marginal returns.
The law of diminishing returns states that as a firm adds more factors of production, eventually, each unit added won't add as much to the production process as the unit before it. This is because, if capital is fixed, extra workers will eventually get in each other's way as they attempt to increase production.
Some common examples of the law of diminishing returns include social media marketing, farming, manufacturing, and wealth. For instance, while it may seem that doubling a social media marketing campaign's budget will double its returns, the increase could easily lead to an overload of information on a social media channel, causing the returns to decrease.













