Overqualification of graduates: assessing the role of family background

Journal for Labour Market Research

Tab. 5 Decomposition of the Overqualification Gap, Weighted by Coefficients of Low PE Graduates (\(\beta_{L}\))

	Coef.	Std. Err.	\(P> \|z\|\)	% of Total gap	% of Explained part
Low PE	0.235	0.009	0.000
High PE	0.161	0.009	0.000
Total overqualification gap	0.074	0.013	0.000
Explained part	0.045	0.009	0.000	60.6
Unexplained part	0.029	0.013	0.026	39.4
Contribution to explained part
Vocational education	0.001	0.004	0.893		1.2
School grade	0.002	0.002	0.280		5.4
University grade	0.003	0.001	0.035		6.1
Study duration	0.000	0.001	0.556		\(-\) 0.7
University types, Subjects	0.030	0.006	0.000		66.4
How job was found	0.004	0.002	0.051		8.1
Worked during study	\(-\)0.001	0.002	0.442		\(-\) 3.0
Financing of study	0.000	0.007	0.983		\(-\) 0.3
Dist work, native place	0.003	0.002	0.119		6.4
Improve career prospects	0.005	0.002	0.063		10.2
Future goals	0.000	0.000	0.885		0.1
Socio-demographics	0.000	0.003	0.986		0.1

Probit decomposition computed in Stata employing the procedure by Jann (2008); Explained part evaluated by coefficients of graduates from low PE families.