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| Pàgina inicial > Articles > Articles publicats > Sequential creation of surplus and the Shapley value |
| Publicació: | Elsevier Inc., 2025 |
| Resum: | We introduce the family of games with intertemporal externalities, where two disjoint sets of players play sequentially. Coalitions formed by the present players create worth today, but the way these players organize also affects the future: their partition imposes externalities that influence the worth of coalitions formed by future players. We adapt the classic Shapley axioms and explore their implications. They are not sufficient to uniquely determine a value. We propose two solution concepts based on interpreting the Shapley value as the players' expected contributions to coalitions: the one-coalition externality value and the naive value. Our main results show that adding a single axiom to the classical Shapley axioms yields a unique value: the one-coalition externality value arises adding a principle of equal treatment of direct and indirect contributions or an axiom on necessary players, while the naive value is characterized adding equal treatment of externalities. |
| Ajuts: | Generalitat de Catalunya 2021 / SGR-00194 Generalitat de Catalunya 2021 / SGR-00306 Agencia Estatal de Investigación CEX2019-000915-S Agencia Estatal de Investigación PID2023-150472NB-I00 Agencia Estatal de Investigación PID2021-122403NB-I00 |
| Nota: | Altres ajuts: acords transformatius de la UAB |
| Nota: | Altres ajuts: ICREA Academia program for their financial support |
| Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió publicada |
| Matèria: | Shapley value ; Externalities ; Sequential game ; Equal treatment |
| Publicat a: | Games and Economic Behavior, Vol. 155 (january 2026) , p. 149-166, ISSN 1090-2473 |
18 p, 1.2 MB |