Table 1 Decomposition of trends in work arrangements by demographic and industry characteristics Shift-share analyses 1991–2011; shift, share and interaction terms in percent of the total change (percent of total change in brackets)

Nonstandard work arrangements^a

14.47

1.95 (13.5)

11.48 (79.3)

1.05 (7.2)

15.45

1.12 (7.3)

14.12 (91.5)

0.20 (1.3)

15.45

0.74 (4.8)

15.33 (99.2)

−0.62 (−4.0)

15.45

−0.32 (−2.1)

16.68 (108.0)

−0.90 (−5.9)

Part-time workers^b (32 hours and less)

3.99

1.62 (40.5)

2.04 (51.1)

0.34 (8.4)

3.99

1.04 (26.0)

2.90 (72.6)

0.06 (1.4)

3.98

0.41 (10.4)

3.49 (87.5)

0.08 (2.1)

3.99

−0.29 (−7.2)

3.95 (99.0)

0.33 (8.2)

“Marginal” part-time workers

7.07

0.31 (4.4)

6.00 (84.8)

0.76 (10.8)

7.07

0.16 (2.3)

6.64 (94.0)

0.26 (3.7)

7.07

0.19 (2.8)

7.06 (99.9)

−0.19 (−2.6)

7.06

−0.26 (−3.7)

8.65 (122.5)

−1.33 (−18.9)

Fixed-term contracts^c

3.28

0.33 (10.0)

2.62 (79.9)

0.33 (10.1)

3.28

0.09 (2.8)

3.20 (97.4)

−0.01 (−0.2)

3.28

−0.30 (−9.1)

4.44 (135.5)

−0.86 (−26.3)

3.28

0.45 (13.8)

3.71 (113.2)

−0.88 (−27.0)

Fixed-term contracts^c (>31 hours a week)

1.01

0.12 (11.6)

0.87 (85.7)

0.03 (2.7)

1.02

0.01 (1.1)

1.05 (103.7)

−0.05 (−4.8)

1.02

−0.27 (−26.2)

1.78 (−174.6)

−0.49 (−48.5)

1.02

0.17 (16.5)

1.00 (98.1)

−0.15 (−14.6)

Agency work^d

–

1.77

0.00 (−0.5)

1.84 (103.7)

0.06 (−3.2)

1.77

−0.03 (−2.0)

1.96 (110.6)

−0.15 (−8.6)

1.77

−0.06 (−3.6)

2.40 (135.3)

−0.56 (−31.7)

Agency work^{d , e} (>31 hours a week)

–

0.97

−0.01 (−1.2)

1.01 (104.8)

−0.04 (−3.7)

0.97

−0.03 (−3.5)

1.08 (111.7)

−0.08 (−8.3)

0.97

−0.02 (−1.8)

1.14 (116.9)

−0.15 (−15.1)

One-person-businesses

2.40

−0.09

2.57 (107.1)

−0.07

2.40

−0.08 (−3.3)

2.51 (104.6)

−0.03 (−1.3)

2.40

0.43 (18.0)

1.92 (79.8)

0.05 (2.3)

2.40

0.06 (2.7)

1.94 (80.8)

0.40 (16.5)