The Pareto dominance relation is shown to be the unique nontrivial partial order on the set of finite-dimensional real vectors satisfying a number of intuitive properties. -- Pareto dominance ; characterization

This paper studies studies two-party electoral competition in a setting where no policy is unbeatable. It is shown that if parties take turns in choosing platforms and observe each other's choises, altering one's platform so as to win is pointless since the other party never accepts an outcome...