On convexity in cooperative games with externalities

被引：0
|
作者：
J. M. Alonso-Meijide
M. Álvarez-Mozos
M. G. Fiestras-Janeiro
A. Jiménez-Losada
机构：
[1] Universidade de Santiago de Compostela,Departamento de Estadística, Análisis Matemático y Optimización
[2] Universitat de Barcelona,Departament de Matemàtica Econòmica, Financera i Actuarial and BEAT
[3] Universidade de Vigo,Departamento de Estatística e Investigación Operativa
[4] Universidad de Sevilla,Departamento de Matemática Aplicada II
来源：
Economic Theory | 2022年 / 74卷
关键词：
Externalities; Superadditivity; Convexity; Contribution; Partition function; Lattice; C71; D62;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We introduce new notions of superadditivity and convexity for games with coalitional externalities. We show parallel results to the classic ones for transferable utility games without externalities. In superadditive games the grand coalition is the most efficient organization of agents. The convexity of a game is equivalent to having non decreasing contributions to larger embedded coalitions. We also see that convex games can only have negative externalities.
引用
收藏
页码：265 / 292
页数：27
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