How 2 rig an election

Bia and Zoey discuss some of the key mathematical concepts in voting, focusing on political elections in some Western countries, as well as Brexit.
Introduction

0:15 – Introduction on the voting system in the UK, with an example
4:27 – Condorcet’s paradox
6:00 – The French system
6:44 – The Australian system – Preferential/Alternative voting
7:42 – What defines a good voting system?
9:43 – How do we balance a good voting system with one which everyone understands

Arrow’s Impossibility Theorem & Instagram poll

11:40 – Arrow’s Impossibility Theorem
13:46 – Independent voting systems where Arrow’s theorem doesn’t apply.
15:00 – Instagram poll discussion: Tactical voting vs Voting for who you want
17:31 – Protest voting vs voting for who you want
20:20 – When it would be worth strategically voting “mathematically”

Brexit

21:22 – Zoey exposing Bia as a “Remoaner”
22:50 – How Bia think the referendum should have been done.

General discussion

24:05 – Have you ever not voted?
26:12 – Should 16 year olds be allowed to vote?
27:29 – Accessibility in a voting system

The future of voting

27:54 – The future of voting
28:52 – The issues with a voting system which takes too long (NP-hard/ NP-complete)
30:00 – Dodgson’s voting method (Lewis Carroll = Charles Dodgson)
32:52 – Final thoughts

80% of voters are strategic: "Counting Votes Right: Strategic Voters versus Strategic Parties, Filippo Mezzanotti and Giovanni Reggiani" http://economics.mit.edu/files/11177