Python implementations of approval-based committee (multi-winner) voting rules
pref_voting is a Python package that can be used to study and run elections with different preferential voting methods (graded voting methods and cardinal voting methods are also included for comparison).
A Python implementation of common apportionment methods
Voting systems comparison website. Simulate a single election in dozens of different voting methods including plurality, borda count, instant runoff, bucklin, copeland, and many more!
SDK of the Computational Social Choice Competition (COMPSOC)
Automatic design of voting rules using neural networks
Measures on participatory budgeting elections.
Voting Systems - Implementations of various Social Choice Theory algorithms in Java 21
Python code for the experiments in "Utilitarian Welfare and Representation Guarantees of Approval-Based Multiwinner Rules" by Martin Lackner and Piotr Skowron
Formal verification of apportionment theory in Lean 4.
Towards automatic voting rule argumentation by using computer-aided verification such as software bounded model checking.
An implementation of Frege's voting method
Constructive Preference Elicitation for Social Choice With Setwise max-margin Learning.
Recognizing possibly single-peaked preferences
An undergraduate thesis about social choice theory and strategic voting.
A comparison of voting methods common in social choice theory and the effects they have on the outcomes of the Eurovision Song Contest.
Perpetual Voting Rules
Computational game theory toolkit — Nash equilibrium solver (LP + support enumeration), replicator dynamics simulation, ESS analysis, backward induction, and VCG mechanism design implementations.
Property-based audit of voting ensemble aggregators (structural asymmetry, not demographic bias)
A program to analyze the successive and amendment voting procedures for the 2020–2021 AI master's course Computational Social Choice course at the University of Groningen.
Add a description, image, and links to the social-choice-theory topic page so that developers can more easily learn about it.
To associate your repository with the social-choice-theory topic, visit your repo's landing page and select "manage topics."