Table A19 OLS estimates of labour market...

Table A19

OLS estimates of labour market concentration on skill/competency demand, TF-IDF measure interacted by high and low skill occupations

Group 1	Skill	Knowledge	Ability	Activities	Styles
log(HHI) × Low-skill	−0.0001	−0.0015***	−0.0005**	−0.0002	0.0000
	(0.0005)	(0.0005)	(0.0002)	(0.0005)	(0.0006)
log(HHI) × High-skill	0.0021***	−0.0002	0.0000	0.0018***	0.0017***
	(0.0003)	(0.0003)	(0.0002)	(0.0003)	(0.0004)
MDV	0.099	0.082	0.017	0.094	0.103
mean(HHI*10k)	1,319	1,319	1,319	1,319	1,319
R²	0.133	0.140	0.017	0.124	0.112
N	553,030	553,030	553,030	553,030	553,030
	Cognitive	Hard skills	Organizat	Social	Digital
log(HHI) × Low-skill	−0.0023***	0.0014***	−0.0011***	0.0007*	−0.0005**
	(0.0005)	(0.0005)	(0.0002)	(0.0004)	(0.0002)
log(HHI) × High-skill	0.0007*	0.0014***	−0.0001	0.0012***	−0.0003*
	(0.0004)	(0.0004)	(0.0002)	(0.0003)	(0.0002)
MDV	0.076	0.089	0.022	0.060	0.024
mean(HHI*10k)	1,319	1,319	1,319	1,319	1,319
R²	0.036	0.078	0.061	0.090	0.054
N	553,030	553,030	553,030	553,030	553,030

Group 1	Skill	Knowledge	Ability	Activities	Styles
log(HHI) × Low-skill	−0.0001	−0.0015***	−0.0005**	−0.0002	0.0000
	(0.0005)	(0.0005)	(0.0002)	(0.0005)	(0.0006)
log(HHI) × High-skill	0.0021***	−0.0002	0.0000	0.0018***	0.0017***
	(0.0003)	(0.0003)	(0.0002)	(0.0003)	(0.0004)
MDV	0.099	0.082	0.017	0.094	0.103
mean(HHI*10k)	1,319	1,319	1,319	1,319	1,319
R²	0.133	0.140	0.017	0.124	0.112
N	553,030	553,030	553,030	553,030	553,030
	Cognitive	Hard skills	Organizat	Social	Digital
log(HHI) × Low-skill	−0.0023***	0.0014***	−0.0011***	0.0007*	−0.0005**
	(0.0005)	(0.0005)	(0.0002)	(0.0004)	(0.0002)
log(HHI) × High-skill	0.0007*	0.0014***	−0.0001	0.0012***	−0.0003*
	(0.0004)	(0.0004)	(0.0002)	(0.0003)	(0.0002)
MDV	0.076	0.089	0.022	0.060	0.024
mean(HHI*10k)	1,319	1,319	1,319	1,319	1,319
R²	0.036	0.078	0.061	0.090	0.054
N	553,030	553,030	553,030	553,030	553,030

Note(s): Each observation consists in a vacancy. This table reports the OLS regression outputs using as dependent variables the TF-IDF intensity measure of the finer classification (group 2) described in section 4. The independent variable is the log of the employment HHI, measured at the industry (2-digit ATECO code), province (NUTS-3), and year level. All the regressions include year, province, industry, and occupation (ISCO 4-dig) fixed effects. Robust standard errors in parentheses ***p < 0.01, **p < 0.05, *p < 0.1

Source(s): Authors' calculation on AIDA and Wollybi data in 2015–2018 period

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