We investigate the computational complexity of several decision problems in hedonic coalition formation games and … either core stability or strict core stability is under consideration, the existence problem of a stable coalition structure … stable coalition structure and of an individually stable coalition structure turn out to be NP-complete in the strong sense. …

(i.e., step by step commitment) does not change the set of implementable profiles. …

sharing scheme is particularly powerful for economic problems that are characterized by positive externalities from coalition …We propose a class of sharing schemes for the distribution of the gains from cooperation for coalition games with … externalities. In the context of the partition function, it is shown that any member of this class of sharing schemes leads to the …

Demange (1994, 2002), extend to partition function games with negative externalities. Under positive externalities, although …

. Trade agreement formation is modeled as coalition formation. In a standard trade model with no distance between countries, a …

facilitating credible commitment of the project host operating under its jurisdiction. It is argued that the threat of punishing …

We put forward a model of private goods with externalities. Agents derive benefit from communicating with each other …