Yes-no voting

Steven J. Brams, Peter C. Fishburn

    Research output: Contribution to journalArticlepeer-review


    Yes-No (Y-N) voting is a voting method for choosing a governing coalition in a parliament after the seating of its members. Each member can designate a party to be Y (it must be included in the governing coalition), N (it must be excluded from the governing coalition), or neither (it may be either in or out of the governing coalition). The majority coalition acceptable to the most voters, because it includes all parties that these voters designate Y and no parties that they designate N, is given the first opportunity to form a government. Possible combinations of majority coalitions that a member might vote for are derived, including ones based on "consistent" and "interval" voting strategies. Examples illustrate a number of different phenomena, such as when a rational voter might not be loyal to his or her party by designating it Y.

    Original languageEnglish (US)
    Pages (from-to)35-50
    Number of pages16
    JournalSocial Choice and Welfare
    Issue number1
    StatePublished - Jan 1993

    ASJC Scopus subject areas

    • Social Sciences (miscellaneous)
    • Economics and Econometrics


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