Which decision rule should we use to make a binary collective choice? While voting procedures are applied ubiquitously … qualified majority voting. Our result shows that using a VCG mechanism is not superior to voting in general and justifies the … use of voting mechanisms. It thereby could explain why many decision rules employed in practice do not rely on monetary …

preferences (i.e. a 'voting rule')? And if so, which voting rule best describes their behavior? We show that a prominent neural … network can be trained to respect two fundamental principles of voting theory, the unanimity principle and the Pareto property … chooses, and find that among a number of popular voting rules its behavior mimics most closely the Borda rule. Indeed, the …