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 cette...

During the first round of the French Presidential election of April 22nd, 2012, voters of three French municipalities were invited to test approval voting and three types of evaluation voting. This paper presents the main results of that experiment. After correction of the participation and...

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 which used various evaluation...

A public decision maker needs to decide to allocate some subsidy towards the conditions for public transportation or for private transportation. If she wants to improve the collective welfare of the community based on the individual preferences between public and private transportation, she...

A wide diversity of rankings of opportunity sets are characterized through what is now commonly called the freedom of choice literature. We claim the normative content of each of these propositions can be analyzed and clari¯ed through a typology. We distinguish two kinds of rankings: rankings...

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...

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...

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...