# POLS 110 Lecture Notes - Single Transferable Vote, Proportional Representation

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Published on 14 Apr 2013
School
Queen's University
Department
Political Studies
Course
POLS 110
Electoral Systems
Proportional system preferences satisfied based on portion of vote
Plurality creates a winner, one more than the second place candidate
Majority 50% plus 1
Objectives
To explain different elements of electoral systems
To explain how these elements affect outcome
Electoral systems reflect values
Values= Elements + Outcome
Choices you make are a product of the ideas of what you want
Menu Driven Theory of Electoral Systems
Preferences are shaped by choices that are put before us
What are electoral systems?
The way we translate votes (or preferences) into seats (results)
Elements of electoral systems
The ballot structure
o How we make our preference
o In our system, you can only make one choice
o Choice on a ballot is:
Categorical This or that
Ordinal Ranking
How many politicians per district?
o Proportional representation
o Does the winner have to have the majority of votes?
Does there have to be a certain threshold
How many seats in parliament?
o How many total seats will be won
Differences in Ballots
The number of candidates
You can either vote for one candidate, or rank candidates
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## Document Summary

Proportional system preferences satisfied based on portion of vote. Plurality creates a winner, one more than the second place candidate (greatest number of votes) Menu-driven theory your choices are limited for you. To explain different elements of electoral systems. To explain how these elements affect outcome. Choices you make are a product of the ideas of what you want. Preferences are shaped by choices that are put before us. The way we translate votes (or preferences) into seats (results) The ballot structure: how we make our preference, in our system, you can only make one choice, choice on a ballot is: How many politicians per district: proportional representation. Does there have to be a certain threshold. How many seats in parliament: how many total seats will be won. You can either vote for one candidate, or rank candidates: ranking allows you to chose among a series of competing candidates. In pr systems the party ideology is the most important thing.