How 2 rig an election
How 2 rob a bank
English - November 24, 2020 01:14 - 35 minutes - 33.1 MB - ★★★★★ - 1 ratingMathematics Science Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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