Titel: Instances of Indeterminacy
Autor: Ashley Piggins / Maurice Salles
Abstract: This paper is a survey of how economists and philosophers approach the issue of comparisons. More precisely, it is about what formal representation is appropriate whenever our ability to compare things breaks down. We restrict our attention to failures that arise with ordinal comparisons. We consider a number of formal approaches to this problem including one based on the idea of parity. We also consider the claim that the failure to compare things is a consequence of vagueness. We contrast two theories of vagueness; fuzzy set theory and supervaluation theory. Some applications of these theories are described.
Perspectives on Social Choice
2007 (29) Heft 2
Guest-Editor: Marlies Ahlert
Introduction and Overview
This volume of Analyse & Kritik approaches social choice from different angles. Each of the papers thematically has some relation with the work of Wulf Gaertner. This provides some topical unity to the volume. However, other than in case of a typical Festschrift the refereed papers are in all other regards independent contributions to the field of social choice as very widely understood. Methods reach from axiomatic analyses over experiments to simulations and from t...