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

IZA Journal of European Labor Studies

Table 11 Decomposition of earnings dispersion by skill-gender groups: absolute and relative contributions, 2012

Group	Country	I _y	I _w	I _h	ρ	RC_w	RC_h	RC_ρ
Low-	USA	0.180	0.135	0.027	0.018	0.754	0.148	0.098
skilled		(0.012)	(0.011)	(0.002)	(0.003)
males	UK	0.151	0.117	0.032	0.001	0.777	0.214	0.009
		(0.006)	(0.005)	(0.002)	(0.003)
	DE	0.146	0.107	0.040	−0.001	0.734	0.273	−0.007
		(0.008)	(0.007)	(0.004)	(0.006)
	FR	0.078	0.061	0.022	−0.005	0.782	0.278	−0.060
		(0.004)	(0.003)	(0.001)	(0.003)
High-	USA	0.198	0.156	0.028	0.014	0.790	0.141	0.068
skilled		(0.006)	(0.005)	(0.002)	(0.003)
males	UK	0.175	0.143	0.028	0.004	0.815	0.161	0.023
		(0.007)	(0.006)	(0.001)	(0.003)
	DE	0.117	0.082	0.028	0.008	0.699	0.235	0.067
		(0.008)	(0.005)	(0.004)	(0.003)
	FR	0.130	0.098	0.025	0.006	0.754	0.197	0.049
		(0.008)	(0.006)	(0.002)	(0.004)
Low-	USA	0.194	0.122	0.048	0.025	0.627	0.246	0.127
skilled		(0.014)	(0.012)	(0.004)	(0.004)
females	UK	0.222	0.096	0.102	0.024	0.433	0.458	0.109
		(0.006)	(0.004)	(0.003)	(0.004)
	DE	0.253	0.111	0.113	0.029	0.438	0.446	0.116
		(0.008)	(0.004)	(0.004)	(0.004)
	FR	0.112	0.059	0.063	−0.011	0.531	0.563	−0.094
		(0.004)	0.003	(0.003)	(0.003)
High-	USA	0.228	0.169	0.043	0.017	0.740	0.187	0.073
skilled		(0.010)	(0.009)	(0.002)	(0.003)
females	UK	0.212	0.127	0.080	0.004	0.602	0.378	0.020
		(0.007)	(0.005)	(0.003)	(0.005)
	DE	0.153	0.086	0.064	0.003	0.563	0.415	0.022
		(0.011)	(0.006)	(0.005)	(0.005)
	FR	0.108	0.074	0.040	−0.005	0.680	0.368	−0.048
		(0.005)	(0.003)	(0.002)	(0.003)