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Employee productivity is an employee characteristic and is reflected in the measure of output of a person in relation to their wages and the investment there has been in their recruitment and training etc.
The OECD defines it as "the ratio of a volume measure of output to a volume measure of input". Volume measures of output are normally gross domestic product (GDP) or gross value added (GVA), expressed at constant prices i.e. adjusted for inflation. The three most commonly used measures of input are: hours worked; workforce jobs; and number of people in employment.
Measured labour productivity will vary as a function of both other input factors and the efficiency with which the factors of production are used (total factor productivity). So two firms or countries may have equal total factor productivity (productive technologies) but because one has more capital to use, labour productivity will be higher.
Output per worker corresponds to the "average product of labour" and can be contrasted with the marginal product of labour, which refers to the increase in output that results from a corresponding (marginal) increase in labour input.
Labour productivity can be measured in physical terms or in price terms.
Whilst the output produced is generally measurable in the private sector, it may be difficult to measure in the public sector or in NGOs. The input may be more difficult to measure in an unbiased way as soon as we move away from the idea of homogeneous labor ("per worker" or "per worker-hour"):
- 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, organization, co-ordination or engineering.
- the productive effects of some forms of labour on other forms of labour.
These aspects of productivity refer to the qualitative, rather than quantitative, dimensions of labour input. If you think that one firm/country is using labour much more intensely, you might not want to say this is due to greater labour productivity, since the output per labour-effort may be the same. 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. Modern management literature emphasizes the important effect of the overall work culture or organizational culture that an enterprise has. But again the specific effects of any particular culture on productivity may be unprovable.
In macroeconomic terms, controlling for hours worked (i.e. expressing labour productivity as per worker-hour) should result in readily comparable productivity statistics, but this is often not done since the reliability of data on working hours is often poor. For example, the US and UK have much longer working hours than Continental Europe - this will inflate the figures on productivity in these countries if it is not accounted for. When comparing labour productivity statistics across countries, the problem of exchange rates must be considered because differences in how output is accounted for in different countries will change labour productivity statistics, quite apart from the obvious issues surrounding converting different currency units to a standard base.
Factors affecting labour productivity
In a survey of manufacturing growth and performance in Britain, it was found that:
“The factors affecting labour productivity or the performance of individual work roles are of broadly the same type as those that affect the performance of manufacturing firms as a whole. They include: (1) physical-organic, location, and technological factors; (2) cultural belief-value and individual attitudinal, motivational and behavioural factors; (3) international influences – e.g. levels of innovativeness and efficiency on the part of the owners and managers of inward investing foreign companies; (4) managerial-organizational and wider economic and political-legal environments; (5) levels of flexibility in internal labour markets and the organization of work activities – e.g. the presence or absence of traditional craft demarcation lines and barriers to occupational entry; and (6) individual rewards and payment systems, and the effectiveness of personnel managers and others in recruiting, training, communicating with, and performance-motivating employees on the basis of pay and other incentives.”
- OECD Manual: "Measuring Productivity; Measurement of Aggregate and Industry-Level Productivity Growth." (2002)
- Manufacturing In Britain: A Survey Of Factors Affecting Growth & Performance, ISR/Google Books, revised 3rd edition. 2003, page 58. ISBN 978-0-906321-30-0
OECD Manual: “Measuring Productivity; Measurement of Aggregate and Industry-Level Productivity Growth.” (2002)
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