Real world players often increase their payoÞs by voluntarily committing to play a .xed strategy, prior to the start of a strategic game. In fact, the players may further bene.t from commitments that are conditional on the commitments of others. This paper proposes a model of conditional...

Justifiability is a name for a variety of well-documented behavioral phenomena that violate rational choices. For instance, preferences and choices frequently depend on payoff-irrelevant factors, and not only on the collection of alternatives. Motivated by these findings we present a generalized...