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Table 1 Shift-share decomposition of changes in occupational shares (pp) by different set of groups

From: The anatomy of job polarisation in the UK

 

Totald

Education only

Education, age, gender, immigration

Education, age, gender, immigration, geography

4 groupsa

48 groupsb

400 groupsc

Between

Within

Between

Within

Between

Within

1979–2012

 Bottom

3.5

− 10.2

13.8

− 8.9

12.4

− 8.9

12.4

 Middle

− 19.3

− 6.2

− 13.1

− 7.2

− 12.0

− 7.5

− 11.8

 Top

15.7

16.4

− 0.7

16.2

− 0.4

16.3

− 0.6

1979–1989

 Bottom

0.9

− 3.6

4.4

− 2.2

3.1

− 2.3

3.1

 Middle

− 5.9

− 0.3

− 5.6

− 1.3

− 4.5

− 1.5

− 4.4

 Top

5.0

3.9

1.1

3.6

1.4

3.8

1.2

1989–1999

 Bottom

1.0

− 4.2

5.3

− 4.2

5.2

− 4.5

5.5

 Middle

− 6.6

− 1.9

− 4.7

− 2.4

− 4.2

− 2.2

− 4.4

 Top

5.6

6.1

− 0.6

6.6

− 1.1

6.7

− 1.2

1999–2009

 Bottom

0.3

− 2.8

3.2

− 3.0

3.3

− 2.5

2.9

 Middle

− 4.9

− 1.5

− 3.3

− 1.4

− 3.5

− 1.5

− 3.4

 Top

4.5

4.4

0.2

4.3

0.2

4.0

0.5

  1. a4 education groups (higher + further education, A-level, O-level + other, none)
  2. b4 education groups, 3 age groups (< 30, 31–50, > 50), 2 genders, 2 immigrant status
  3. c4 education groups, 5 age groups (< 25, 26–35, 36–45, 46–55, > 55), 2 genders, 2 immigrant status, 5 geographies (North, Midlands and EastAnglia, London, South, Scotland + Wales + Northern Ireland)
  4. dThe between and the within components do not always sum up to the totals due to rounding