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Alternative Voting Methods Essays and tutorials, by James
Green-Armytage Contents Proxy voting: 2010, 2007, 2006, 2005 General: Voting
methods survey, definitions and criteria Strategic Voting and
Nomination (2010, pdf) Abstract: Using computer simulations, I estimate the
fraction of elections in which sincere voting will be a core equilibrium
given each of nine single-winner voting rules: plurality, two round runoff,
Hare (also known as the alternative vote or instant runoff voting), Coombs,
minimax, Borda, Bucklin, range voting, and approval voting. Additionally, I
determine how often each voting rule is vulnerable to simple voting
strategies such as ‘burying’ and ‘compromising’, and how often each voting
rule gives an incentive for non-winning candidates to enter or leave races. I
find that Hare is generally the least frequently vulnerable to strategic
voting, and that Coombs, Borda, range and approval are generally the most
frequently vulnerable. I support many of my key results with analytical
proofs. Strategic
Voting and Strategic Nomination (2008, pdf) This is essentially an earlier version of the paper above.
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Voluntary Delegation
as the Basis for a Future Political System (2010, pdf) Abstract: This paper describes a hybrid of direct
democracy and representative democracy, in which citizens can vote directly
if they wish, and name a representative (or ‘proxy’) of their own choosing
otherwise. These provisions follow from the premise that, in a democracy,
representation should be voluntarily sought by voters rather than imposed by
the electoral system. Here I develop this simple but powerful premise into a
set of blueprints for a fully functioning system of government. Alternative
provisions are developed for the case in which internet-based voting is used,
and the case in which it is not used. Several innovative ideas are introduced
throughout, such as the use of ‘virtual committees’, and a provision for
continual consideration of issues. An Introduction to
Proxy-Based Democratic Systems (2007) An earlier attempt to write a unified proxy paper. Representation by
Delegable Proxy (2006) Direct Democracy by Delegable
Proxy (2005) The
piece on representation was intended to complement the piece on direct
democracy. ___________________________________________ General voting
methods information Voting Methods
Survey (2004) This rather huge survey describes about forty of the
most interesting single-winner and multiple-winner voting methods. The
methods are often illustrated using numerical examples, and occasionally with
nifty esoteric-looking diagrams. This page is the oldest on the site, so some
of it may be slightly out of date, but it is still quite informative. Definitions and
criteria (2005) A number of definitions and criteria that are useful
for discussing and evaluating voting systems. Primary topics include majority
rule, defeat strength, strategy, and continuity. Many of the key concepts are
illustrated by numerical examples. |