Are changes in the dispersion of hours worked a cause of increased earnings inequality?

IZA Journal of European Labor Studies

Table 7 Decomposition of earnings dispersion by skill-gender groups: absolute and relative contributions, 1991

Group	Country	I _y	I _w	I _h	ρ	RC_w	RC_h	RC_ρ
Low-	USA	0.119	0.097	0.016	0.006	0.815	0.135	0.050
skilled		(0.005)	(0.003)	(0.002)	(0.002)
males	UK	0.090	0.085	0.020	−0.015	0.943	0.220	−0.163
		(0.005)	(0.004)	(0.001)	(0.003)
	DE	0.103	0.094	0.028	−0.018	0.908	0.266	−0.175
		(0.004)	(0.004)	(0.003)	(0.003)
	FR	0.070	0.065	0.010	−0.004	0.921	0.140	−0.061
		(0.002)	(0.002)	(0.000)	(0.001)
High-	USA	0.144	0.104	0.027	0.014	0.719	0.184	0.097
skilled		(0.008)	(0.006)	(0.003)	(0.004)
males	UK	0.104	0.110	0.040	−0.047	1.059	0.389	−0.449
		(0.010)	(0.010)	(0.009)	(0.013)
	DE	0.094	0.081	0.018	−0.005	0.859	0.195	−0.054
		(0.008)	(0.007)	(0.002)	(0.004)
	FR	0.113	0.110	0.043	−0.039	0.973	0.377	−0.349
		(0.005)	(0.005)	(0.002)	(0.004)
Low-	USA	0.156	0.086	0.057	0.012	0.554	0.368	0.078
skilled		(0.008)	(0.005)	(0.005)	(0.005)
females	UK	0.257	0.089	0.131	0.037	0.346	0.511	0.143
		(0.010)	(0.005)	(0.006)	(0.006)
	DE	0.173	0.097	0.081	−0.005	0.561	0.469	−0.030
		(0.006)	(0.004)	(0.004)	(0.004)
	FR	0.119	0.066	0.053	0.000	0.551	0.448	0.001
		(0.002)	(0.002)	(0.002)	(0.001)
High-	USA	0.188	0.109	0.074	0.005	0.581	0.394	0.025
skilled		(0.009)	(0.005)	(0.005)	(0.006)
females	UK	0.209	0.098	0.101	0.010	0.469	0.484	0.047
		(0.015)	(0.007)	(0.009)	(0.008)
	DE	0.152	0.121	0.094	−0.063	0.795	0.621	−0.415
		(0.023)	(0.018)	(0.010)	(0.016)
	FR	0.078	0.092	0.050	−0.065	1.183	0.647	−0.829
		(0.003)	(0.003)	(0.002)	(0.004)