CEB Working Paper

Table 1. Descriptive Statistics of Selected Variables, 1999-2010
Variables Mean Std. Dev.
Annual value added per worker a (€) 91,876 612,545
Annual labour cost per worker a (€) 48,666 24,163
Annual profit per worker a (€) 43,210 610,313
Normal education (years) 12.01 1.36
Overeducation
Percentage of workers
Years
Undereducation
Percentage of workers
Years
20.35
0.53
22.08
0.62
27.72
0.94
26.40
1.03
Workers with 10 years or more of tenure (%) 37.44 23.75
Women (%) 28.33 24.64
Blue-collar workers b (%) 52.39 35.22
Share of workers < 30 years 21.78 14.73
Share of workers between 30 and 49 years 60.89 13.79
Share of workers > 49 years 17.33 12.51
Part-time (%) 16.40 17.55
Firm size (number of workers) 250.19 448.32
Firm-level collective agreement (%) 28.69 45.08
Sector (%)
Mining and quarrying (B)
Manufacturing (C)
Electricity, gas, steam and air conditioning
supply; Water supply, sewerage, waste
management and remediation
activities (D+E)
Construction (F)
Wholesale and retail trade,
repair of motor vehicles and
motorcycles (G)
Accommodation and food services
activities (I)
Transport and storage ; Information and
communication (H+J)
Financial and insurance activities (K)
Real estate activities ; Professional,
scientific and technical activities ;
Administrative and support service
activities (L+M+N)
0.68
52.66
0.63
8.85
15.28
1.81
5.88
1.59
12.60
Number of firm-year observations 12,290
Data source:SES-SBS 1999-2010.
Notes: a At 2004 constant prices. b The distinction between blue- and white-collar workers is based
on the International Standard Classification of Occupations (ISCO-08). Workers belonging to
groups 1–5 are considered to be white-collar workers (1: Managers; 2: Professionals; 3:
Technicians and associate professionals; 4: Clerical support workers; 5: Services and sales
workers), and those from groups 7–9 are considered to be blue-collar workers (7: Craft and
related trades workers; 8: Plant and machine operators and assemblers; 9: Elementary
occupations).
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