multiple majority coalitions (pivotality) or from the relative vote share the agent contributes to a coalition (proportionality …). We distinguish between coalitional commitment, where parties defer distributive bargaining when forming a coalition, and … allocative commitment, where allocations are determined at the point of coalition formation. We show how the timing of commitment …

Given a simple game, a power configuration specifies the power of each player in each winning coalition. We introduce a … show that given this power configuration there is a coalition which is both internally and Nash stable. We consider two … investigate how infeasible coalition might affect the outcome and apply our model to the German parliament …

We study frictionless matching and coalition formation environments. Agents have preferences over coalitions, and these … preferences, we show that there exists a core stable coalition structure in every state of nature if, and only if, agents …' preferences are pairwise-aligned in every state of nature. In particular, we establish that there is a stable coalition structure …

weights often does not accurately reflect bargaining power. Game-theoretic predictions about payoffs and coalition formation …

class of efficient and coalition strategy-proof allocation functions. In the former class, requiring equal treatment of …