19 found
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  1. Evaluating Competing Theories Via a Common Language of Qualitative Verdicts.Wulf Gaertner & Nicolas Wüthrich - 2016 - Synthese 193 (10).
    Kuhn claimed that several algorithms can be defended to select the best theory based on epistemic values such as simplicity, accuracy, and fruitfulness. In a recent paper, Okasha :83–115, 2011) argued that no theory choice algorithm exists which satisfies a set of intuitively compelling conditions that Arrow had proposed for a consistent aggregation of individual preference orderings. In this paper, we put forward a solution to avoid this impossibility result. Based on previous work by Gaertner and Xu, we suggest to (...)
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  2. Primer in Social Choice Theory.Wulf Gaertner - 2006 - Oxford University Press UK.
     
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  3.  26
    A Primer in Social Choice Theory: Revised Edition.Wulf Gaertner - 2009 - Oxford University Press.
    This introductory text explores the theory of social choice. This text is an important starting point for students grappling with the complexities of social choice theory. Rigorous yet accessible, with new chapter exercises, it avoids the use of technical language and provides an up-to-date discussion of this rapidly developing field.
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  4. Domain Conditions in Social Choice Theory.Wulf Gaertner - 2001 - Cambridge University Press.
    Wulf Gaertner provides a comprehensive account of an important and complex issue within social choice theory: how to establish a social welfare function while restricting the spectrum of individual preferences in a sensible way. Gaertner's starting point is K. J. Arrow's famous 'Impossibility Theorem', which showed that no welfare function could exist if an unrestricted domain of preferences is to be satisfied together with some other appealing conditions. A number of leading economists have tried to provide avenues out of this (...)
     
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  5.  30
    Die OrganknappheitOrgan Scarcity.Wulf Gaertner & Christian Aumann - 2004 - Ethik in der Medizin 16 (2):105-111.
    Zur Verringerung der Knappheit an Organen wird die Einführung eines Marktes für menschliche Organe vorgeschlagen. Personen, die ihre Organe verkaufen, und Personen, die ihre Organe lebend spenden, sind medizinisch den gleichen Gefahren ausgesetzt. Der Verkaufserlös bietet für den Abgebenden eine Einkommenssteigerung, die vielfältig genutzt werden kann. Die auf Schwarzmärkten beobachteten negativen Effekte sollen durch eine strikte Überwachung und Regulierung verhindert werden. Der Markt für Organe kann von zwei getrennten Ankaufsorganisationen geprägt werden. Eine Organisation zahlt die Weiterverkaufserlöse der Organe direkt an (...)
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  6.  8
    A General Scoring Rule.Wulf Gaertner & Yongsheng Xu - unknown
    This paper studies a ranking rule of the following type axiomatically: each voter places k candidates into n categories with ranks from n to 1 attached to these categories, the candidate(s) with the highest aggregate score is (are) the winner(s). We show that it is characterized by a monotonicity condition and a multi-stage cancellation property.
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  7.  27
    Alternative Libertarian Claims and Sen's Paradox.Lorenz Krüger & Wulf Gaertner - 1983 - Theory and Decision 15 (3):211-229.
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  8.  74
    Wickedness in Social Choice.Wulf Gaertner - unknown
    In an article from 1973, Rittel and Webber distinguished between “tame” or “benign” problems on the one hand and “wicked” problems on the other. The authors argued that wicked problems occur in nearly all public policy issues. Since different groups adhere to different value-sets, solutions can only be expressed as better or worse. By no means can they be viewed as definitive or objective. In this paper we shall consider, from this very angle, the theory of social choice which is (...)
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  9.  16
    Decisions on Public Projects with Negative Externalities: Veil of Ignorance or Impartial Spectator?Camilla Colombo & Wulf Gaertner - 2018 - Revue d'Economie Politique 128:251-265.
    There are public projects which many people welcome because they are expected to be beneficial for society at large. On the other hand, however, these projects may generate larger negative externalities for certain parts of society. One example is the erection of a nuclear power-plant, a measure that is widely considered to render a country’s energy provision less dependent on supply from outside. On the other hand, it possibly causes a feeling of insecurity among people who live in the vicinity (...)
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  10.  6
    Social Choice Theory.Wulf Gaertner - unknown
  11.  17
    Kenneth Arrow’s Impossibility Theorem Stretching to Other Fields.Wulf Gaertner - forthcoming - Public Choice.
    Arrow’s impossibility result not only had a profound influence on welfare economics, but was, as this paper shows, also widely discussed in philosophy of science and in the engineering design literature.
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  12.  62
    Distributional Orderings: An Approach with Seven Flavors. [REVIEW]Yoram Amiel, Frank Cowell & Wulf Gaertner - 2012 - Theory and Decision 73 (3):381-399.
    We examine individuals’ distributional orderings in a number of contexts. This is done by using a questionnaire-experiment that is presented to respondents in any one of seven “flavors” or interpretations of the basic distributional problem. The flavors include inequality, risk, social welfare and justice.
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  13.  14
    Admissibility and Feasibility in Game Forms.Marc Fleurbaey & Wulf Gaertner - 1996 - Analyse & Kritik 18 (1):54-66.
    This paper examines the exercise of individual or group rights within the game form approach. It focuses in particular on what it means for a strategy or action to be feasible and admissible. Admissibility is best discussed in relation to two basic distinctions among rights, passive and active rights on the one hand and negative and positive rights on the other. It is argued that while there are quite a few cases in which the outcomes of mutual rights exercising are (...)
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  14.  2
    Reference-Dependent Rankings of Sets in Characteristics Space.Wulf Gaertner & Yongsheng Xu - 2011 - Social Choice and Welfare 37 (4):717-728.
    This article uses Lancaster's characteristics approach to rank sets of alternative combinations of commodity characteristics. It is assumed that there exists a reference point or reference level from which the individual evaluates set expansions in appropriate directions. We provide an axiomatic characterization for such a case.
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  15.  11
    Untersuchungen zur Einschätzung von Gerechtigkeit.Wulf Gaertner & Lars Schwettmann - 2005 - Analyse & Kritik 27 (2):288-314.
    This paper discusses evaluations of distributive justice in two different situations. Focal point is the so-called equity axiom which lies at the heart of Rawls' second principle of justice, the maximin rule. Our investigation which was run at a German university spans over a period of fifteen years. It seems to us that consideration for the worst-off in society has become considerably weaker over the years. This and related observations are tested by using a probit model including several demographic characteristics (...)
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  16.  15
    Justice-Constrained Libertarian Claims and Pareto Efficient Collective Decisions.Wulf Gaertner - 1985 - Erkenntnis 23 (1):1 - 17.
    This paper discusses justice-constrained libertarian claims that were proposed as a way to circumvent the impossibility of the Paretian liberal. Since most of the results are negative in character, we suggest an alternative route: A requirement on the structure of individual orderings should be combined with the idea that under particular circumstances individual decisiveness should be controlled by higher-order principles.
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  17.  3
    Die OrganknappheitEin Pldoyer fr eine Marktlsung.Christian Aumann & Wulf Gaertner - 2004 - Ethik in der Medizin 2.
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  18.  3
    Evaluating Sets of Objects in Characteristics Space.Wulf Gaertner - unknown
    This article contributes to the literature on the evaluation of sets of opportunities. The starting point is Lancaster's characteristics approach. However, instead of assuming the existence of a canonical utility function, a reference point or reference level is postulated from which an agent evaluates set expansions in appropriate directions. One of the major tools for this exercise is the notion of directed cones. Desirability of characteristics is restricted to the interior of these cones. Satiation and non-monotonic evaluation is considered as (...)
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  19. Individual Choices in a Non-Consequentialist Framework: A Procedural Approach.Wulf Gaertner & Yongsheng Xu - 2008 - In Kaushik Basu & Ravi Kanbur (eds.), Arguments for a Better World: Essays in Honor of Amartya Sen: Volume I: Ethics, Welfare, and Measurement and Volume Ii: Society, Institutions, and Development. Oxford University Press.