2018 Höllerer, Markus, Meyer, Renate, Oberg, Achim, Vith, Sebastian. 2018. Sharing Economy und Urban Governance am Beispiel der Stadt Wien. Viertes i-share Symposium, Berlin, Deutschland, 26.04. (Details)
  Hollaus, Birgit. 2018. To risk or not to risk that is the question. Who is accountable for the answer, yet a different one? IUCN Academy of Environmental Law Colloquium 2018, Glasgow, Großbritannien, 04.07-06.07. (Details)