Fig. 2
From: Spatial matching on the urban labor market: estimates with unique micro data
(Source: own elaboration based on the data collected with the API interface from commercial job portals and public employment service. Monthly trends were extracted with classical seasonal decomposition by moving averages (Kendall and Stuart 1983); yearly frequency of time series was set to 12)
Total daily inflow of vacant jobs in the Poznań agglomeration between 1 October 2017 and 31 December 2019 (a) and weekly trend (b)*.*commercial job portals are compared with Pubic Employment Service data. The trend for PES data on (B) is shown on the right axis