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WP1 Job Vacancies
SURS update
Vesna Horvat
Thessaloniki,
21 September 2017
Content of presentation
• Summary of previous work
• Meetings with third parties
• Survey about modes of JV advertising
• Experimental statistics
– Coverage by methodology1
– Time gap between job ad and employment
– Coverage by methodology2
– Other experimental statistics
Summary of previous work
• Weekly collection of data since mid May 2016
• Scraping of two biggest job portals (cover up to 95 % of
the market)
• Scraping of enterprise web sides (reference day only)
• Tools: Agenty (Feb17 – ), Import.IO (May16 – Jan17);
Python‘s Scrapy
• Record linkage with Slovenian Business Register (task
completed; 98 % data are linked).
• First estimates of coverage: about 50% of JV are
missing
Meetings with third parties – part 1
• December 2016: Employment Service of Slovenia (ESS)
– Aim: deeper knowledge about cooperation between enterprises
and ESS
• April 2017: meetings with private Employment agencies
– Problem: many ads, but client unknown
– 12/2 responded to the invitation
– One offered to report data on economic activities of a client and
on number of job vacancies per job ad.
Meetings with third parties – part 2
• May and June 2017: meetings with companies, owning
job portals
• Moja Zaposlitev:
– Problem1: poor comunication when creating draft of the contract
– Problem2: 45eur bill for paying company‘s lawer
– Contract was signed in July
– We offered them to analyse unstructured part of the job ad
• Moje Delo:
– Offered to send us full dataset of job ads
– Offered to implement a special filed for number of vacancies per
job ad
Survey about modes of JV advertising
• Aim: get information where do employers post JV ads
• Evaluation questionnaire was sent to units selected in
the current sample
• It was sent after the first reference point of regular
survey
• The main question in the questionnaire was:
“Do you usually advertise the JV ads by yourself or
you employ specialised agency?”
Survey about modes of JV advertising
• For those units which answered “by yourself” the
subsequent question was:
• “What channels you usually use for advertising JV?”
– Job portals
– Employment agency of the Republic of Slovenia
– Agencies (e.g. Manpower, Adecco, Trenkwalder …)
– Own website
– Other social media websites (LinkedIn, Twitter…)
– In the press
– Other
2396
10753 30
213
0
500
1000
1500
2000
2500
3000
Job portals and(or) Employment
agency of theRepublic of
Slovenia
Enterprise website(exclusively)
LinkedInand and(or) other social
media websites (Facebook, Twitter,…
exclusively)
In the press(exclusively)
Other (exclusively)
Modes of advertisements of JV
Number of respones
Survey about modes of JV advertising
• Around 95% of reported data come from units which
advertise JVs trough job portals and (or) Employment
agency
• Around 5 % of reported data come from other channels.
• If we take into account also agencies (Trenkwalder …)
this percentage decreases additionally.
Experimental statistics
– Coverage by methodology1 (published JV)
– Time gap between job ad and employment
– Coverage by methodology2 („oppened“ JV)
– Other experimental statistics
Coverage: published JV
• Coverage of job ads
• Priorities of sources taken into account:
1. admin, 2. J. portal, 3.E. websides*Assumption: one ad, one JV
All Admin. source Job portals*
Enterprise
websides
maj.16 42,49 32,17 8,95 1,37
avg.16 45,00 32,77 9,86 2,38
nov.16 39,55 29,14 10,05 0,36
feb.17 40,84 28,80 10,73 1,32
maj.17 47,14 33,26 12,41 1,47
Coverage: published JV
• Coverage of companies
• Priorities of sources taken into account:
1. admin, 2. J. portal, 3.E. websides*Assumption: one ad, one JV
All Admin. source Job portals*
Enterprise
websides
maj.16 38,64 27,78 9,18 1,67
avg.16 42,28 29,57 10,47 2,24
nov.16 40,23 29,73 10,04 0,46
feb.17 37,35 26,56 9,88 0,91
maj.17 40,9 30,1 9,5 1,2
Ads per matching
Companies
Companies in Admin
vs Companies in
sample
Ads admin vs Ads
sample
maj.16 65,57 27,78 27,78
avg.16 77,58 29,57 29,57
nov.16 76,17 29,73 29,73
feb.17 67,31 26,56 26,56
maj.17 66,30 30,13 30,13
Ads per matching
Companies
Companies in portals
vs Companies in
sample
Ads portal vs Ads
sample
maj.16 78,55 15,64 22,94
avg.16 60,27 15,57 18,87
nov.16 72,91 14,90 21,49
feb.17 81,93 15,43 21,80
maj.17 64,28 18,41 24,03
Ads per matching
companies
Companies from
websides vs
companies in sample
Ads companies vs
Ads sample
maj.16 123,76 2,80 4,05
avg.16 124,27 5,37 8,04
nov.16 236,36 0,43 0,60
feb.17 442,97 3,39 31,12
maj.17 77,62 3,91 5,27
Time gap between job ad and
employment
• A job vacancy (JV) is defined as a post (which has been
newly created, is unoccupied or will shortly become
free) for which the employer is actively seeking a
suitable candidate outside the enterprise and which will
be filled immediately or in the near future.
• Start work: data on registration, changes and
deregistration for compulsory insurance (i.e. M-forms;
administrative source for the Statistical Register of
Employment).
• impossible to link M-forms with JVads from job portals.
• M-forms contain ad code for the ads from ESS
0
100
200
300
400
500
600
-340
-132
-19
-11 -3 5
13
21
29
37
45
53
61
69
77
85
93
10
1
10
9
11
7
12
5
13
3
14
1
14
9
15
7
16
5
17
3
18
1
18
9
19
7
20
5
21
4
22
2
23
0
23
8
24
7
25
6
26
6
27
6
29
0
29
9
31
1
33
1
35
4
38
0
41
3
46
0
62
6
69
0
73
9
Distribution of time gaps for all job vacancies, no cleaning of data
0
2
4
6
8
10
12
14
16
18
6 9
12
15
18
21
24
27
30
33
36
39
42
45
48
51
54
57
60
63
66
69
72
75
78
81
84
88
93
97
10
0
10
3
10
6
11
0
11
5
12
1
12
4
12
9
13
5
13
8
14
3
15
1
15
7
16
8
17
5
18
8
19
6
20
2
21
4
22
0
Distribution of time gaps for companies on commercial job portals and ZRSZ portal, positive distances
and deadline condition.
0
20
40
60
80
100
120
140
1606
10
14
18
22
26
30
34
38
42
46
50
54
58
62
66
70
74
78
82
86
91
95
99
10
3
10
7
11
2
11
6
12
0
12
5
13
0
13
4
13
8
14
3
14
8
15
4
16
0
16
4
17
0
17
9
18
5
19
2
19
9
20
6
21
5
22
3
28
4
38
0
Distribution of time gaps for companies on ZRSZ portal only, positive distances and deadline
condition.
Coverage: „oppened“ JV
• Coverage of job ads
**only reference day, only 1/3 of URL from sample; only 18 % of companies have
webside
Admin. Source
(t+30)
Job portals*
(t+48)
Enterprise
websides ** All
maj.16 69,78 9,74 2,64 82,17
avg.16 57,40 21,88 2,30 81,59
nov.16 67,18 14,01 0,07 81,26
feb.17 69,08 17,07 0,67 86,82
maj.17 64,78 20,01 0,74 85,53
Coverage: „oppened“ JV
• Coverage of companies
**only reference day, only 1/3 of URL from sample; only 18 % of companies have
webside
Admin. Source
(t+30)
Job portals*
(t+48)
Enterprise
websides ** All
maj.16 46,11 9,43 2,05 57,58
avg.16 44,53 12,58 1,77 58,87
nov.16 46,13 11,79 0,14 58,06
feb.17 45,23 12,67 0,69 58,59
maj.17 47,31 13,71 0,68 61,70
Ads per matching
Companies
Companies in
Admin vs
Companies in
sample
Ads admin vs Ads
sample
maj.16 125,53 46,11 69,8
avg.16 110,70 44,53 57,4
nov.16 125,04 46,13 67,2
feb.17 122,26 45,23 69,1
maj.17 113,22 47,31 64,8
Ads per matching
companies
companies in
portals vs
companies in
sample
Ads portal vs Ads
sample
maj.16 89,53 20,63 30,15
avg.16 115,51 23,93 46,32
nov.16 119,81 21,62 40,06
feb.17 132,88 24,28 49,33
maj.17 142,08 25,61 62,32
Other experimental statistics
• Published and/or „opened“?
• Time span and/or reference day?
– If time span: net or gross?
• Absolute values, indieces, growth rates
• Seasonal adjustment?
0
1000
2000
3000
4000
5000
6000
7000
8000
5 6 7 8 9 10 11 12 1 2 3 4 5 6
OK
ST
TU
Monthly gross absolute values
Monthly net absolute values
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5 6 7 8 9 10 11 12 1 2 3 4 5 6
OK
ST
TU
Weekly gross absoulte values
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 1 3 5 7 9 11 13 15 17 19 21 23 25 27
OK
ST
TU
Weekly net absolute values
0
200
400
600
800
1000
1200
1400
19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 1 3 5 7 9 11 13 15 17 19 21 23 25
OK
ST
TU
Thank you for your attention!
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