The expanding approvals rule (EAR) is a rule for multi-winner elections that guarantees a form of proportional representation called proportionality for...

of larger parties. Examples of quota-proportional include the expanding approvals rule, the method of equal shares, and the single transferable vote....

In social choice theory, the majority rule (MR) is a social choice rule that says that, when comparing two options (such as bills or candidates), the...

always win are said to satisfy the majority-rule principle, because they extend the principle of majority rule to elections with multiple candidates. In...

satisfies the condition independence of irrelevant alternatives. Majority-rule methods are only rarely affected by spoilers, which are limited to rare situations...

(Thiele's method) Fair majority voting Method of equal shares Expanding approvals rule Ratings ballots can be converted to ranked/preferential ballots...

approval, with voters expressing 1.6 approvals per ballot, and the two commissioners were elected from a field of 15 candidates, with 3.1 approvals per...

Viewed from the perspective of political science, electoral systems are rules for conducting elections and determining winners from the ballots cast....

single-peaked preferences, any voting method that is compatible with majority-rule will elect the candidate preferred by the median voter. The median voter...

An electoral or voting system is a set of rules used to determine the results of an election. Electoral systems are used in politics to elect governments...