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Delay, multiplicity, and non-existence of equilibrium in unanimity bargaining games

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Volker Britz, P. Jean-Jacques Herings, Arkadi Predtetchinski
Journal of Mathematical Economics
Issue number: 
September 2015
We consider a class of perfect information bargaining games with unanimity acceptance rule. The proposer and the order of responding players are determined by the state that evolves stochastically over time. The probability distribution of the state in the next period is determined jointly by the current state and the identity of the player who rejected the current proposal. This protocol ncompasses a vast number of special cases studied in the literature. We show that subgame perfect equilibria in pure stationary strategies need not exist. When such equilibria do exist, they may exhibit delay. Limit equilibria as the players become infinitely patient need not be unique.
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