TY - RPRT CY - Toulouse ID - publications46265 UR - http://tse-fr.eu/pub/127271 A1 - Panova, Elena Y1 - 2022/07// N2 - We consider the problem of sharing the cost of a fixed tree-network among users with differentiated willingness to pay for the good supplied through the network. We find that the associated value-sharing problem is convex, hence, the core is large and we axiomatize a new, computationally simple core selection based on the idea of proportionality. PB - TSE Working Paper T3 - TSE Working Paper KW - sharing network cost KW - core KW - proportional allocation M1 - working_paper TI - Sharing cost of network among users with differentiated willingness to pay AV - public EP - 56 ER -