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Hannu J. Nurmi
University of Turku
  1.  38
    A Comparison of Some Distance-Based Choice Rules in Ranking Environments.Hannu Nurmi - 2004 - Theory and Decision 57 (1):5-24.
    We discuss the relationships between positional rules (such as plurality and approval voting as well as the Borda count), Dodgson’s, Kemeny’s and Litvak’s methods of reaching consensus. The discrepancies between methods are seen as results of different intuitive conceptions of consensus goal states and ways of measuring distances therefrom. Saari’s geometric methodology is resorted to in the analysis of the consensus reaching methods.
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  2.  36
    Some properties of the Lehrer-Wagner method for reaching rational consensus.Hannu Nurmi - 1985 - Synthese 62 (1):13 - 24.
  3.  68
    Discrepancies in the outcomes resulting from different voting schemes.Hannu Nurmi - 1988 - Theory and Decision 25 (2):193-208.
    It is well-known that different social choice procedures often result in different choice sets. The article focuses on how often this is likely to happen in impartial cultures. The focus is on Borda count, plurality method, max-min method and Copeland's procedure. The probabilities of Condorcet violations of the Borda count and plurality method are also reported. Although blatantly false as a descriptive hypothesis, the impartial culture assumption can be given an interpretation which makes the results obtained in impartial cultures particularly (...)
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  4.  59
    On the difficulty of making social choices.Hannu Nurmi - 1995 - Theory and Decision 38 (1):99-119.
    The difficulty of making social choices seems to take on two forms: one that is related to both preferences and the method used in aggregating them and one which is related to the preferences only. In the former type the difficulty has to do with the discrepancies of outcomes resulting from various preference aggregation methods and the computation of winners in elections. Some approaches and results which take their motivation from the computability theory are discussed. The latter ‘institution-free’ type of (...)
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  5. Voting Procedures for Electing a Single Candidate: Proving Their (in)Vulnerability to Various Voting Paradoxes.Dan S. Felsenthal & Hannu Nurmi - 2018 - Springer Verlag.
    This book deals with 18 voting procedures used or proposed for use in elections resulting in the choice of a single winner. These procedures are evaluated in terms of their ability to avoid paradoxical outcomes. Together with a companion volume by the same authors, Monotonicity Failures Afflicting Procedures for Electing a Single Candidate, published by Springer in 2017, this book aims at giving a comprehensive overview of the most important advantages and disadvantages of procedures thereby assisting decision makers in the (...)
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  6. Voting Procedures Under a Restricted Domain: An Examination of the (in)Vulnerability of 20 Voting Procedures to Five Main Paradoxes.Dan S. Felsenthal & Hannu Nurmi - 2019 - Cham, Switzerland: Springer Verlag.
    This book deals with 20 voting procedures used or proposed for use in elections resulting in the choice of a single winner. These procedures are evaluated in terms of their ability to avoid five important paradoxes in a restricted domain, viz., when a Condorcet winner exists and is elected in the initial profile. Together with the two companion volumes by the same authors, published by Springer in 2017 and 2018, this book aims at giving a comprehensive overview of the most (...)
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  7. The introduction and development of fuzzy sets theory and applications in Finland.Christer Carlsson, Vesa Niskanen & Hannu Nurmi - 2017 - Archives for the Philosophy and History of Soft Computing 2017 (1).
     
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  8.  14
    II. Taking on Superior Beings: Professor Brams's Game‐theoretic Theology∗.Hannu Nurmi - 1984 - Inquiry: An Interdisciplinary Journal of Philosophy 27 (1-4):159-166.
    This is s review essay on Steven J. Brams's "Superior Beings".
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