Achieving Fully Proportional Representation Is Easy in Practice

P. Skowron, P. Faliszewski, A. Slinko

Election type Ordinal
Culture Mallows Mixture
Candidates {10, 100}
Voters [1000-10000]
Instances 50
Parameters Mixture of 5 Mallows models, whose dispersion parameters and central orders are selected uniformly at random. Mixing probabilities are selected uniformly at random as well.
Notes Step of 1000 in the number of voters
Motivation intro motivation: electing committees of representatives; but no explicit motivation in experiments; also does not use political data.