Search results

{{Short description|Law of voting power distribution}} ...by [[Lionel Penrose]], concerns the distribution of the voting power in a voting body consisting of ''N'' members.<ref>{{Citation ...

{{short description|Statistical measure of cohesion in a voting group}} ...umber between 0 and 1, which indicates the degree of agreement, within a [[voting]] body. ...

{{Short description|Electoral system for two-tier voting bodies}} ...i'' voting power defined by the [[Penrose–Banzhaf index]] of a member of a voting body is inversely proportional to the square root of its size. Hence the nu ...

{{Short description|Game theory model of voting}} {{Expert needed|game theory ...

...eory]], a '''dictatorship mechanism''' is a [[Degenerate case|degenerate]] voting rule or [[Mechanism (economics)|mechanism]] where the result depends on onl ...the necessary conditions in [[Arrow's impossibility theorem]].<ref>''Game Theory'' Second Edition Guillermo Owen Ch 6 pp124-5 Axiom 5 Academic Press, 1982 { ...

...Efficiency for a Random Society.svg|thumb|350x350px|Efficiency of several voting systems with an impartial culture model and 25 voters<ref name=":0" />]] ...4062|doi-access=free }}</ref> is a metric for comparing [[Electoral system|voting methods]] which compares them based on the average well-being of voters.<re ...

...choice theory]] for analyzing [[Ranked voting|ranked]] [[Electoral system|voting method]] rules.<ref name=":0">{{cite journal |last1=Eğecioğlu |first1=Ömer ...8-3-642-03107-6_1 |chapter=Voting Paradoxes and Their Probabilities |title=Voting Paradoxes and Group Coherence |series=Studies in Choice and Welfare |year=2 ...

...cs/0003019 |bibcode=2000cs........3019D }}</ref> It extends FO with [[Type theory|types]], aggregates (counting, summing, maximising ... over a set), arithme ...01 |quote=}}</ref> As an example, the IDP system allows generating [[Model theory|models]], answering set queries, checking [[entailment]] between two theori ...

...ecting circles in imperfect images. The circle candidates are produced by “voting” in the Hough parameter space and then selecting local maxima in an accumul ==Theory== ...

...bard|first=Allan|author-link=Allan Gibbard|year=1973|title=Manipulation of voting schemes: A general result|url=http://www.eecs.harvard.edu/cs286r/courses/fa ...not straightforward; the optimal ballot for a voter "requires [[strategic voting]]", i.e. it depends on their beliefs about other voters' ballots. ...

...'''highest median voting rules''' are a class of [[cardinal voting|graded voting]] rules where the candidate with the highest [[median]] rating is elected. ...reflection of the voters' opinion. They note that as with other [[cardinal voting]] rules, highest medians are not subject to [[Arrow's impossibility theorem ...

...er the results of a maximal lottery to the results produced by any other [[voting rule]]. ...f> and [[independence of clones]].<ref name="Bran13a" /> The probabilistic voting rule that returns all maximal lotteries is the only rule satisfying reinfor ...

In [[social choice theory|social choice]] and [[operations research]], the '''utilitarian rule''' (al ...(the question of what "best" means is the basic problem of [[social choice theory]]). ...

...|first1=S.|last2=Levine|first2=J. M.|year=2011|title=A competitive network theory of species diversity|journal=Proceedings of the National Academy of Science In the context of [[social choice theory]], tournament solutions are closely related to Fishburn's C1 social choice ...

{{Short description|Single-winner cardinal voting system}} ...a kind of [[highest median voting rule|highest median rule]], a [[cardinal voting]] system that elects the candidate with the highest median rating. ...

...median voting rules|text=the [[median voter theorem]] or [[highest median voting rules]]}} The '''median voting rule''' or '''median mechanism''' is a rule for [[group decision-making]] a ...

{{Short description|Result in social choice theory}}{{Electoral systems sidebar|expanded=Social and collective choice}} The '''McKelvey–Schofield chaos theorem''' is a result in [[social choice theory]]. It states that if preferences are defined over a multidimensional policy ...

...al approval voting]], an approximation algorithm for proportional approval voting}}{{Electoral systems}} ...com/science/article/abs/pii/S0022053120301666 |journal=Journal of Economic Theory |volume=192 |page=105173 |arxiv=1704.02453 |doi=10.1016/j.jet.2020.105173 | ...

In [[cooperative game theory]], the '''nucleolus''' of a cooperative game is the [[Solution concept|solu In a [[Cooperative game theory|cooperative game]], there is a set ''N'' of ''players'', who can cooperate ...

In other words:<ref name=agt07>{{Cite Algorithmic Game Theory 2007}}</ref>{{rp|227}} ...ng the median vote is a [[truthful mechanism]] without money. See [[median voting rule]]. ...