VPM and Voting Theory

Videos, readings, and calculators on voting systems, ranked-choice voting, the Condorcet paradox, and power indices, collected for a UC Irvine voting course.

Disclaimer: There may be conflicting information with class texts or lecture. For our purposes and for evaluation, we will use whatever information, vocabulary, or methods the professor has chosen.

Fun with Voting

• NYC Mayor Race: Ranked-Choice Ballot Explained, With Bagels — Wall Street Journal explainer by Roque Ruiz, Juanje Gomez and Alexa Corse, June 2, 2021.

Books

• Math in Society — Open textbook by David Lippman, 2nd ed., 2017.
• The Mathematics of Elections and Voting — W. D. Wallis, Cham: Springer, 2014. UCI VPN needed.

Material for the midterm

• The Condorcet Method (Voting System) — Video: Carneades.
• Voting Systems and the Condorcet Paradox — Video: Infinite Series.
• Approval Voting — Video: CGP Grey.
• Alternative Vote — Video: CGP Grey.
• Your guide to tactical voting in the UK election — Video: Crunched (Financial Times).
• Gerrymandering Game — Interactive game from GameTheory Co.

Material after midterm

• Mixed Member Proportional — Explainer on how mixed member proportional (MMP) voting works in New Zealand.
• Single Transferable Vote (annotated in Hypothesis) — Electoral Reform Society page on the single transferable vote, with annotations in Hypothesis.
• Single Transferable Vote (STV) — Video: CGP Grey.
• S-S Calculator — Archived: By Dennis Leech and Robert Leech. The original website is offline.
• Banzhaf Calculator — By Fernando Guzman.