1 the quality of being productive or having the power to produce [syn: productiveness] [ant: unproductiveness]
2 (economics) the ratio of the quantity and quality of units produced to the labor per unit of time
- French: productivité
Productivity in economics refers to measures of output from production processes, per unit of input. Labor productivity, for example, is typically measured as a ratio of output per labor-hour, an input. Productivity may be conceived of as a measure of the technical or engineering efficiency of production. As such quantitative measures of input, and sometimes output, are emphasized. Productivity is distinct from measures of allocative efficiency, which take into account both the value of what is produced and the cost of inputs used, and also distinct from measures of profitability, which address the difference between the revenues obtained from output and the expense associated with consumption of inputs.
Economic Growth and Productivity
Economic activity can be identified with production and consumption. Production is a process of combining various immaterial and material inputs of production so as to produce tools for consumption. The way of combining the inputs of production in the process of making output is called technology. Technology can be depicted mathematically by the production function which describes the function between input and output. The production function depicts production performance and productivity is the measure of it.
By help of the production function, it is possible to describe simply the mechanism of economic growth. Economic growth is a production increase achieved by an economic community. It is usually expressed as an annual growth percentage depicting (real) growth of the national product. Economic growth is created by two factors so that it is appropriate to talk about the components of growth. These components are an increase in production input and an increase in productivity.
The figure presents an economic growth process. By way of illustration, the proportions shown in the figure are exaggerated. Reviewing the process in subsequent years (periods), one and two, it becomes evident that production has increased from Value T1 to Value T2. Both years can be described by a graph of production functions, each function being named after the respective number of the year, i.e., one and two. Two components are distinguishable in the output increase: the growth caused by an increase in production input and the growth caused by an increase in productivity. Characteristic of the growth effected by an input increase is that the relation between output and input remains unchanged. The output growth corresponding to a shift of the production function is generated by the increase in productivity.
Accordingly, an increase in productivity is characterised by a shift of the production function and a consequent change to the output/input relation. The formula of total productivity is normally written as follows:
- Total productivity = Output quantity / Input quantity
According to this formula, changes in input and output have to be measured inclusive of both quantitative and qualitative changes. (Jorgenson and Griliches 1967). In practice, quantitative and qualitative changes take place when relative quantities and relative prices of different input and output factors alter. In order to accentuate qualitative changes in output and input, the formula of total productivity shall be written as follows:
- Total productivity = Output quality and quantity / Input quality and quantity
Main processes of a company
A company can be divided into sub-processes in different ways; yet, the following five are identified as main process, each with a logic, objectives, theory and key figures of its own. It is important to examine each of them individually, yet, as a part of the whole, in order to be able to measure and understand them. The main processes of a company are as follows:
- real process
- income distribution process
- production process
- monetary process
- market value process
Real process generates the production output, and it can be described by means of the production function. It refers to a series of events in production in which production inputs of different quality and quantity are combined into products of different quality and quantity. Products can be physical goods, immaterial services and most often combinations of both. The characteristics created into the product by the manufacturer imply surplus value to the consumer, and on the basis of the price this value is shared by the consumer and the producer in the marketplace. This is the mechanism through which surplus value originates to the consumer and the producer likewise. Surplus value to the producer is a result of the real process, and measured proportionally it means productivity.
Income distribution process of the production refers to a series of events in which the unit prices of constant-quality products and inputs alter causing a change in income distribution among those participating in the exchange. The magnitude of the change in income distribution is directly proportionate to the change in prices of the output and inputs and to their quantities. Productivity gains are distributed, for example, to customers as lower product prices or to staff as higher pay. Davis has deliberated (Davis 1955) the phenomenon of productivity, measurement of productivity, distribution of productivity gains, and how to measure such gains. He refers to an article (1947, Journal of Accountancy, Feb. p. 94) suggesting that the measurement of productivity shall be developed so that it ”will indicate increases or decreases in the productivity of the company and also the distribution of the ’fruits of production’ among all parties at interest”. According to Davis, the price system is a mechanism through which productivity gains are distributed, and besides the business enterprise, receiving parties may consist of its customers, staff and the suppliers of production inputs. In this article, the concept of ”distribution of the fruits of production” by Davis is simply referred to as production income distribution or shorter still as distribution.
The production process consists of the real process and the income distribution process. A result and a criterion of success of the production process is profitability. The profitability of production is the share of the real process result the producer has been able to keep to himself in the income distribution process. Factors describing the production process are the components of profitability, i.e., returns and costs. They differ from the factors of the real process in that the components of profitability are given at nominal prices whereas in the real process the factors are at fixed prices.
Monetary process refers to events related to financing the business. Market value process refers to a series of events in which investors determine the market value of the company in the investment markets.
Surplus value as a measure of production profitability
The scale of success run by a going concern is manifold, and there are no criteria that might be universally applicable to success. Nevertheless, there is one criterion by which we can generalise the rate of success in production. This criterion is the ability to produce surplus value. As a criterion of profitability, surplus value refers to the difference between returns and costs, taking into consideration the costs of equity in addition to the costs included in the profit and loss statement as usual. Surplus value indicates that the output has more value than the sacrifice made for it, in other words, the output value is higher than the value (production costs) of the used inputs. If the surplus value is positive, the owner’s profit expectation has been surpassed.
The table presents a surplus value calculation. This basic example is a simplified profitability calculation used for illustration and modelling. Even as reduced, it comprises all phenomena of a real measuring situation and most importantly the change in the output-input mix between two periods. Hence, the basic example works as an illustrative “scale model” of production without any features of a real measuring situation being lost. In practice, there may be hundreds of products and inputs but the logic of measuring does not differ from that presented in the basic example.
Both the absolute and relative surplus value have been calculated in the example. Absolute value is the difference of the output and input values and the relative value is their relation, respectively. The surplus value calculation in the example is at a nominal price, calculated at the market price of each period.
Measurement results can be illustrated by models and graphic presentations. The following figure illustrates the connections between the processes by means of indexes describing the change. A presentation by means of an index is illustrative because the magnitudes of the changes are commensurate. Figures are from the above calculation example of the production model. (Loggerenberg van et al. 1982. Saari 2004, 2006).
The nine most central key figures depicting changes in production performance can be presented as shown in Figure. Vertical lines depict the key figures of the real process, production process and income distribution process. Key figures in the production process are a result of the real process and the income distribution process. Horizontal lines show the changes in input and output processes and their impact on profitability. The logic behind the figure is simple. Squares in the corners refer to initial calculation data. Profitability figures are obtained by dividing the output figures by the input figures in each process. After this, the production process figures are obtained by multiplying the figures of the real and income distribution processes.
Depicting the development by time seriesDevelopment in the real process, income distribution process and production process can be illustrated by means of time series. The principle of a time series is to describe, for example, the profitability of production annually by means of a relative surplus value and also to explain how profitability was produced as a consequence of productivity development and income distribution. A time series can be composed using the chain indexes as seen in the following.
Now the intention is to draw up the time series for the ten periods in order to express the annual profitability of production by help of productivity and income distribution development. With the time series it is possible to prove that productivity of the real process is the distributable result of production, and profitability is the share remaining in the company after income distribution between the company and interested parties participating in the exchange.
The graph shows how profitability depends on the development of productivity and income distribution. Productivity figures are fictional but in practice they are perfectly feasible indicating an annual growth of 1.5 per cent on average. Growth potentials in productivity vary greatly by industry, and as a whole, they are directly proportionate to the technical development in the branch. Fast-developing industries attain stronger growth in productivity. This is a traditional way of thinking. Today we understand that human and social capitals together with competition have a significant impact on productivity growth. In any case, productivity grows in small steps. By the accurate measurement of productivity, it is possible to appreciate these small changes and create an organisation culture where continuous improvement is a common value.
Measuring and interpreting partial productivity
Measurement of partial productivity refers to the measurement solutions which do not meet the requirements of total productivity measurement, yet, being practicable as indicators of total productivity. In practice, measurement in production means measures of partial productivity. In that case, the objects of measurement are components of total productivity, and interpreted correctly, these components are indicative of productivity development. The term of partial productivity illustrates well the fact that total productivity is only measured partially – or approximately. In a way, measurements are defective but, by understanding the logic of total productivity, it is possible to interpret correctly the results of partial productivity and to benefit from them in practical situations.Typical solutions of partial productivity are:
- Single-factor productivity
- Value-added productivity
- Unit cost accounting
- Efficiency ratios
- Managerial control ratio system
Single-factor productivity refers to the measurement of productivity that is a ratio of output and one input factor. A most well-known measure of single-factor productivity is the measure of output per work input, describing work productivity. Sometimes it is practical to employ the value added as output. Productivity measured in this way is called Value-added productivity. Also, productivity can be examined in cost accounting using Unit costs. Then it is mostly a question of exploiting data from standard cost accounting for productivity measurements. Efficiency ratios, which tell something about the ratio between the value produced and the sacrifices made for it, are available in large numbers. Managerial control ratio systems are composed of single measures which are interpreted in parallel with other measures related to the subject. Ratios may be related to any success factor of the area of responsibility, such as profitability, quality, position on the market, etc. Ratios may be combined to form one whole using simple rules, hence, creating a key figure system.
The measures of partial productivity are physical measures, nominal price value measures and fixed price value measures. These measures differ from one another by the variables they measure and by the variables excluded from measurements. By excluding variables from measurement makes it possible to better focus the measurement on a given variable, yet, this means a more narrow approach. The table below was compiled to compare the basic types of measurement. The first column presents the measure types, the second the variables being measured, and the third column gives the variables excluded from measurement.
Other aspects of productivity
Productivity studies analyze technical processes and engineering relationships such as how much of an output can be produced in a specified period of time (see also Taylorism).
It is related to the concept of efficiency. While productivity is the amount of output produced relative to the amount of resources (time and money) that go into the production, efficiency is the value of output relative to the cost of inputs used. Productivity improves when the quantity of output increases relative to the quantity of input. Efficiency improves, when the cost of inputs used is reduced relative the value of output. A change in the price of inputs might lead a firm to change the mix of inputs used, in order to reduce the cost of inputs used, and improve efficiency, without actually increasing the quantity of output relative the quantity of inputs. A change in technology, however, might allow a firm to increase output with a given quantity of inputs; such an increase in productivity would be more technically efficient, but might not reflect any change in allocative efficiency.
Increases in productivity Companies can increase productivity in a variety of ways. The most obvious methods involve automation and computerization which minimize the tasks that must be performed by employees. Recently, less obvious techniques are being employed that involve ergonomic design and worker comfort. A comfortable employee, the theory maintains, can produce more than a counterpart who struggles through the day. In fact, some studies claim that measures such as raising workplace temperature can have a drastic effect on office productivity. Experiments done by the Japanese Shiseido corporation also suggested that productivity could be increased by means of perfuming or deodorising the air conditioning system of workplaces.
Increases in productivity also can influence society more broadly, by improving living standards, and creating income. They are central to the process generating economic growth and capital accumulation.
A new theory suggests that the increased contribution that productivity has on economic growth is largely due to the relatively high price of technology and its exportation via trade, as well as domestic use due to high demand, rather than attributing it to micro economic efficiency theories which tend to downsize economic growth and reduce labor productivity for the most part.
Many economists see the economic expansion of the later 1990s in the United States as being allowed by the massive increase in worker productivity that occurred during that period. The growth in aggregate supply allowed increases in aggregate demand and decreases in unemployment at the same time that inflation remained stable. Others emphasize drastic changes in patterns of social behaviour resulting from new communication technologies and changed male-female relationships.
Labour productivity main article Labour productivity Labour productivity is generally speaking held to be the same as the "average product of labour" (average output per worker or per worker-hour, an output which could be measured in physical terms or in price terms).
It is not the same as the marginal product of labour, which refers to the increase in output that results from a corresponding increase in labour input.
However, some aspects of labour productivity may be very difficult to measure exactly, or in an unbiased way, such as:
- the intensity of labour-effort, and the quality of labour effort generally.
- the creative activity involved in producing technical innovations.
- the relative efficiency gains resulting from different systems of management, organisation, co-ordination or engineering.
- the productive effects of some forms of labour on other forms of labour.
One important reason is that these aspects of productivity refer mainly to its qualitative, rather than quantitative, dimensions. (should this not be the other way around) We might be able to observe definite increases in output, even though we do not know what those increases should be attributed to.
This insight becomes particularly important when a large part of what is produced in an economy consists of services. Management may be very preoccupied with the productivity of employees, but the productivity gains of management itself might be very difficult to prove.
This may mean that a lot of what is said about productivity is based on opinion, rather than empirical evidence. Modern management literature emphasizes the important effect of the overall work culture or organisational culture that an enterprise has. But again the specific effects of any particular culture on productivity may be unprovable. Tavalis, in his book "Popular Culture Today", wrote that the constant increase in productivity during the 90's into present day is leading our culture to disaster. The family life of many is suffering and true happiness is being questioned.
Marx on productivity
In Karl Marx's labour theory of value, the concept of capital productivity is rejected as an instance of reification, and replaced with the concepts of the organic composition of capital and the value product of labor.
A sharp distinction is drawn by Marx for the productivity of labor in terms of physical outputs produced, and the value or price of those outputs. A small physical output might create a large value, while a large physical output might create only a small value - with obvious consequences for the way the labor producing it would be rewarded in the marketplace.
Moreover if a large output value was created by people, this did not necessarily have anything to do with their physical productivity; it could be just due to the favorable valuation of that output when traded in markets. Therefore, merely focusing on an output value realised, to assess productivity, might lead to mistaken conclusions.
In general, Marx rejected the possibility of a concept of productivity that would be completely neutral and unbiased by the interests or norms of different social classes. At best, one could say that objectively, some practices in a society were generally regarded as more or less productive, or as improving productivity - irrespective of whether this was really true. In other words, productivity was always interpreted from some definite point of view.
Typically, Marx suggested in his critique of political economy, only the benefits of raising productivity were focused on, rather than the human (or environmental) costs involved. Thus, Marx could even find some sympathy for the Luddites, and he introduced the critical concept of the rate of exploitation of human labour power to balance the obvious economic progress resulting from an increase in the productive forces of labor.
Computers and the Productivity Paradox
Robert Solow once stated that "Computers are everywhere but in the productivity numbers." There seems to be a productivity paradox associated with computers; their use has proliferated, yet there have not been any observable increases in productivity as a result.
One hypothisis to explain this is that computers are productive, yet their productive gains are realized only after a lag period, during which complementary capital investments must be developed to allow for the use of computers to their full potential.
Another hypothesis states that computers are simply not very productivity enhancing because they require time, a scarce complementary human input. This theory holds that although computers perform a variety of tasks, these tasks are not done in any particularly new or efficient manner, but rather they are only done faster.
It has also been argued that computer automation just facilitates ever more complex bureaucracies and regulation, and therefor produces a net reduction in real productivity.
Current data does not confirm the validity of either hypothesis. It could very well be that increases in productivity due to computers is not captured in GDP measures, but rather in quality changes and new products.
- European Productivity Conference, Scientific Proceedings 30 September- 1 August 2006, Finland
- Productivity: Key to Economic Success Centre for the Study of Living Standards: Provides a comprehensive overview of the productivity issue with a focus on Canada
- Productivity and Costs – Bureau of Labor Statistics United States Department of Labor: contains international comparisons of productivity rates, historical and present
productivity in Bulgarian: Продуктивност
productivity in Catalan: Productivitat
productivity in German: Produktivität
productivity in Spanish: Productividad
productivity in Persian: بهرهوری
productivity in French: Productivité
productivity in Italian: produttività
productivity in Japanese: 生産性
productivity in Portuguese: Produtividade
productivity in Russian: Производительность
productivity in Albanian: Produktiviteti
productivity in Finnish: Tuottavuus
productivity in Swedish: Produktivitet
productivity in Chinese: 生产力
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