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This paper assumes that in addition to conventional preferences over outcomes, players in a strategic environment have preferences over strategies. It provides conditions under which a player's preferences over strategies can be represented as a weighted average of the utility from outcomes of the individual and his opponents. The weight one player places(More)
—Equilibrium models of costless strategic communication provide four insights, which can be summarized informally by: failure to communicate is always possible; perfect communication is not possible when conflict of interest exists between the informed Sender and the uninformed Receiver; whenever non-trivial communication is possible, there are multiple(More)
This paper provides characterization theorems for preferences that can be represented by U(x or combinations of these functionals. The main assumption is partial separability, where changing a common component of two vectors does not reverse strict preferences , but may turn strict preferences into indifference. We discuss applications of our results to(More)