Session 3A | Room Ks48: Special Session: Sharing Economy 2 (Co-organizers: Oksana Mont, Anna Davies & Oona Morrow) Chair: Oona Morrow Steven Curtis & Matthias Lehner, Coming to terms: an assessment of the maturity of the sharing economy research Oksana Mont, Lucie Zvolska & Yuliya Voytenko Palgan, Toward an explanatory framework for institutionalization processes of urban sharing organizations Tomohiro Tasaki & Tomoko Mori, Influence factors on collaborative collective behaviors for the environment & sustainability transition