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There
have been some concerns that the current measurement
scheme for labor productivity, based on obtaining the
ratio of total output to total employment, may not be an
adequate measurement scheme.
Consequently, the objective of this research
undertaking is to propose and develop an alternative labor
productivity measure (at the macro level).
Toward
this end, this paper firstly provides a discussion of
productivity measurement, both multifactor and partial
productivity, in relation to the notion of production
functions.
The paper then focuses on labor productivity
measure, including its computing formula, variables, data
sources, gaps and limitations involved in its current
measurement.
An inventory of current government agencies
involved in labor productivity measurement is also
provided.
The
paper shows that trends in labor productivity do not
dramatically change with the adoption of total hours
worked as against total employment.
A plan for an alternative labor productivity
measure, based on obtaining the ratio of the gross value
added to an adjusted form of total hours workers, is then
proposed.
The adjustment on total hours worked takes into
account the calculation of a labor input index, which
serves to incorporate labor quality by using earnings data
and hours at work disaggregated by sex and major
occupation across sectors.
Computations for the labor input index are made for
the national and various sectoral levels from 1988 up to
the currently available 1995 data.
A comparison of the current and alternative labor
productivity measurement show that the current scheme may
even is over stating the actual levels of labor
productivity.
This is particularly true for the wholesale and
retail trade, financing and services sectors.
Since
the proposed measure may serve to capture the notion of
labor input more accurately in terms of the contribution
of part-time and full-time employment than the current
measure which only considers total employment, it is
suggested that the proposed measure be adopted for
institutionalisation.
Furthermore, calculations on the labor input index
serve as contribution to the current multifactor
productivity measure being developed and institutionalised
in the Philippines.
Moreover, the results of the study can serve toward
development of insights on whether growth in average
earnings in the national and sectoral levels has matched
labor productivity, and whether some government
interventions ought to be carried out.
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This
paper was presented during the 1st DOLE Research
Conference held at Occupational Safety and Health
Center, Diliman, Quezon City, on 5 December 2001 by Rovelinda
A. dela Rosa, Chief, Research Policy and Development
Division, National
Wages and Productivity Commission. |
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