We study the stability properties of organizations in partition function games, describing cooperative situations with externalities. An organization is defined as a group of agents, together with a set of bilateral relations, formally, a connected graph. Because of the presence of...

This paper investigates how immigrants' job search outcomes are affected by the labor market outcomes of workers from the same country of origin they are connected to. Connections are identified based on having worked for the same firm in the past. Using matched employer-employee micro data from...

Increasing concerns about climate change have given rise to the formation of International Environmental Agreements (IEAs) as a possible solution to limit global pollution effects. In this paper, we study the stability of IEAs in a repeated game framework where we restrict to strategies which...

In urban renewal policy, it has become a widespread goal to revitalise neighbourhood economies. The rationale for these measures derives, to a great extent, from the concept of regional economic clusters, and, not surprisingly, one of their key objectives is to activate local inter-firm...

We study stable matchings on exogenously given or endogenously formed bipartite graphs that reflect constraints on matching. The effects of a change of the exogenously given graph (constraints) are investigated. Specifically, we examine to what extent individuals gain or lose from relaxing...

The interdependence of electricity and natural gas is becoming a major energy policy and regulatory issue in all jurisdictions around the world. The increased role of gas fired plants in renewable-based electricity markets and the dependence on gas imports make this issue particular striking for...