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Simulating alternate voting systems

Primer · explainer · Watch on YouTube

Probability & game theoryUS politics & elections

What it is

Primer uses simulations to compare voting systems such as first-past-the-post, approval, ranked choice and others. It shows how each system behaves and can be manipulated, with links to further voting theory resources.

Why Hacker News recommends it

HN commenters link it to explain why plurality voting produces two-party systems and how ranked-choice voting suffers spoiler effects.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2020, last 2026

What HN commenters said

  1. “There are mathematical reasons for FPTP to result in two party systems. [0] explains it pretty well.”

    Explains why FPTP leads to two-party systems

    esarbe, 2020-12 · Recommendation · in “Apple’s longtime supplier accused of using forced labor in China”

  2. “Here's an interesting video that explains how they can be manipulated”

    Explains how voting systems can be manipulated

    awb, 2022-10 · Recommendation · in “Show HN: RankedVote – SurveyMonkey but focused on ranked-choice voting”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: first past the post, ranked choice voting, game theory, simulation, electoral reform

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