An axiomatization of the interactions between the palyers of any coalition is given. It is based on three axioms: linearity, dummy and symmetry. These interaction indices extend the Banzhaf and Shapley values when using in addition two equivalent recursive axioms. Lastly, the authors give an...

This paper studies a model of how political parties use resources for campaigning to inform voters. We show existence of equilibrium under mild assumptions for an arbitrary number of parties. The main result is that if the parties are more extreme, then they spend less resources on campaigning...

I explore the effects of a preference for fairness in the division of housework between two spouses in two different models of household time allocation. Both in the model with agreeing spouses and the model with noncooperative spouses, such a preference has an equalising effect on the division...