Table 13 Average shares and standard variations of educational variables in different SES-SBS sub-samples (1999–2010)
From: Does education raise productivity and wages equally? The moderating role of age and gender
Sample | Full sample | Non-missing information | GMM-SYS sample |
|---|---|---|---|
Low-educated (E12) | 32.7 | 30.3 | 29.8 |
(33.1) | (30.3) | (29.5) | |
Middle-educated (E34) | 42.2 | 42.6 | 42.6 |
(30.3) | (27.9) | (26.8) | |
High-educated (E567) | 24.1 | 27.1 | 27.6 |
(27.6) | (26.0) | (25.1) | |
Number of firm-year observations | 33,169 | 10,874 | 6713 |
Number of firms | 12,306 | 3225 | 1844 |
Average number of observations per firm | 2.7 | 3.4 | 3.6 |