Álvarez-Mozos, MikelAlonso-Meijide, José MªFiestras-Janeiro, M. Gloria, 1962-2017-09-202020-09-302017-090899-8256https://hdl.handle.net/2445/115651We address the problem of extending the Shapley-Shubik index to the class of simple games with externalities introduced in Alonso-Meijide et al. (2017). On the one hand, we provide bounds for any efficient, symmetric, and monotonic power index. On the other hand, we characterize the restriction of the externality-free value of de Clippel and Serrano (2008) to the class of games under study by adapting well-known properties.7 p.application/pdfengcc-by-nc-nd (c) Elsevier, 2017http://creativecommons.org/licenses/by-nc-nd/3.0/esTeoria de jocsEconomia matemàticaJocs cooperatius (Matemàtica)Game theoryMathematical economicsCooperative games (Mathematics)info:eu-repo/semantics/article6734262017-09-20info:eu-repo/semantics/openAccess