Publications

Ann-Cathrin Beermann, Matthias Runkel, Florian Zerzawy, Lea Bienhaus, Stefan Möckel | 01.2020 | Study

Ann-Cathrin Beermann, Matthias Runkel, Christian Freericks, Alexander Mahler, Tobias Bertermann | 04.2018 | Study

Alexander Mahler, Matthias Runkel, Ann-Cathrin Beermann | 03.2018 | Policy Brief

Alexander Mahler, Matthias Runkel, Ann-Cathrin Beermann | 03.2018 | Policy Brief

Alexander Mahler, Matthias Runkel | 03.2018 | Policy Brief

Name	Purpose	Lifetime	Type	Provider
_pk_id	Used to store a few details about the user such as the unique visitor ID.	13 months	HTML	Matomo
_pk_ref	Used to store the attribution information, the referrer initially used to visit the website.	6 months	HTML	Matomo
_pk_ses	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo
_pk_cvar	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo
_pk_hsr	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo