“…From the point of view of entities which are involved, we can regard C2C (customer to customer) sharing, or P2P (peer to peer) sharing (Guyader, & Kienzler, 2019), and B2C (business to customer) sharing (Ertz et al, 2017;Puschmann & Alt, 2016;Radwan et al, 2019) as the two basic concepts. Some authors further distinguish B2B (business to business) sharing (Demary, 2015;Sujova & Remen, 2018;Tetrevova & Kolmasova, 2021), B2G (business to government) sharing (Richter & Slowinski, 2018) and G2G (government to government) sharing (Ertz et al, 2017) from the point of view of the entities involved. B2U (business to university) sharing also comes into consideration, as does U2B (university to business) sharing or U2G (university to government) sharing (Tetrevova & Vlckova, 2018.…”