Alcalde-Unzu, Jorge; Gomez-Rua, Maria; Molis, Elena - Departamento de Teoría e Historia Económica, Facultad … - 2013
The cleaning up of waste present in transboundary rivers, which re- quires the cooperation of dierent authorities, is a problematic issue, espe- cially when responsibility for the discharge of the waste is not well-dened. Following Ni and Wang [12] we assume that a river is a segment divided...