The aim of this paper is to propose a conceptual reconstruction of Sen’s conception of individual judgments, through a back-and-forth analysis between his democratic theory of justice and social choice theory. Firstly, while this is never explicitly presented in Sen’s work, we highlight the...

This paper tackles the problem of the demarcation of value judgments in economic expertise. Is it possible to disentangle values from facts, or neutral scientific assertions from value-laden judgments, in the context of economic expertise ? If not, why not ? And if it is, under what conditions ?...

This paper presents the different utilitarian approaches to ethics. It stresses the influence of utilitarianism in economics in general and in welfare economics in particular. The key idea of the paper to explain the evolution from classical utilitarianism to preferences utilitarianism and...

This paper briefly presents the life of Abram Bergson (Burk). It summarizes its most important contributions to economic theory : microeconomics, welfare economics, comparative economics and sovietology. The role of value judgments in the construction of social indexes or in the comparison of...

Under evaluative voting, the voter freely grades each candidate on a numerical scale, with the winning candidate being determined by the sum of the grades they receive. This paper compares evaluative voting with the two-round system, reporting on an experiment, conducted during the 2012 French...

A l’occasion du premier tour des élections présidentielles du 22 avril 2012, les électeurs de trois communes françaises ont été invités à tester in situ le vote par approbation ainsi que trois versions du vote par évaluation. Ce papier a pour objet de présenter les résultats de...

This paper presents the Paretian Watershed and the fundamental theorems of welfare economics. It distinguishes the British approach (à la Kaldor-Hicks) from the American approach (à la Bergson-Samuelson) to new welfare economics. It develops the more recent domains of happiness economics, the...