%0 Journal Article %A Nathan Keller %T A tight quantitative version of Arrow’s impossibility theorem %J Journal of the European Mathematical Society %D 2012 %P 1331-1355 %V 14 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/334/ %R 10.4171/jems/334 %F JEMS_2012_14_5_a0