A Consistent Extension of Condorcet's Election Principle

Condorcet's principle of choosing the majority alternative whenever one exists is violated not only by Borda's rule but also by any scoring method; nevertheless, the essential property of scoring functions -- "consistency" of the outcome under aggregation of subgroups -- is shown to be compatible with Condorcet's principle. Moreover, these two properties, suitably interpreted, together with neutrality and the Pareto property, determine a unique rule known as Kemeny's rule

Discovering manipulated social choices: The coincidence of cycles and manipulated outcomes

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/45514/1/11127_2004_Article_BF00128879.pd