A Closer Look at the 1954–79 UK Labour Productivity Record
Appendix C: Measurement of the employment indices
INTRODUCTION The employment indices have been estimated with two objectives in mind: 1. 2. To make sure that for each individual link the employment indices are consistent in scope and coverage with the corresponding output indices. To ensure that the deﬁnitions and methods used in estimating the successive employment indices are as comparable over time as the available data allow. This appendix is divided into three parts. Part I speciﬁes the employment concept that my indices are intended to measure. Part II deals with the problems relating to the measurement of the changes in the numbers of people employed (the employee-years indices). Part III is concerned with the adjustments that are needed to take into account changes in the hours worked and convert the employee-years indices into employee-hours ones. PART I CONCEPTS AND DEFINITIONS First of all we must deﬁne the employment concept we are aiming to measure. Several questions, as to which is the appropriate concept, arise. I.1 Questions Related to the Different Types of Labour The total labour force of any industry is, of course, far from homogeneous. The way to take into account this lack of homogeneity is to produce employment indices by weighting each different type of labour by its share in the total wage bill. Alternatively, we may use the average earnings of each type of labour relative to the earnings of, say, unskilled workers to convert the different labour qualities into homogeneous equivalent units of unskilled 419 420 Public enterprise revisited...
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