While a significant proportion of French people (38%) reports having recovered objects thrown away or deposited on the sidewalk, the objective of this article is to provide a better understanding of how certain practices of gleaning bulky objects (freely decided rather than dictated by...

Afriat proved the equivalence of a variant of the strong axiom of revealed preference and the existence of a solution to a set of linear inequalities. From this solution he constructed a utility function rationalizing the choices of a competitive consumer. We extend Afriat's theorem to a class...

We build and implement a normative procedure to allocate international aid based on equality of opportunity concerning the risk of poverty. This is an alternative to Collier and Dollar’s proposal (2001) which stresses the impact of aid on worldwide poverty reduction. The big problem with their...

Trust is a crucial factor in e-commerce. However, consumers are less likely to trust unknown Web sites. This study explores how less-familiar e-commerce Web sites can use branding alliances and Web site quality to increase the likelihood of initial consumer trust. We use the associative network...

We characterize the competitive equilibrium on the credit market when borrowers can strategically default. We assume that the audit is subject of errors of the two types and that lenders cannot commit ex-ante. We determine the penalty, the loan rate, the audit and strategic default...

An organic label offers a market signal for producers of organic food products. In Western economies, the label has gained high recognition, but organic food still represents a small part of total food consumption, which raises questions about the label's efficacy. By considering organic labels...

La maîtrise du risque sanitaire des aliments fait partie intégrante de la stratégie des firmes agro-alimentaires. Ces entreprises mettent en place des dispositifs organisationnels aptes à générer une maîtrise efficiente des risques, à travers la conformation à des référentiels assez...

Relying on the World Value Survey data, this paper explores what individuals consider as the most important problems in the world in a sample of about 50 countries. The paper focuses particularly on the fact to prioritize poverty as the most important problem, as poverty constitutes an important...

The Health, Inequalities and Social Breakdown (SIRS) survey carried out in Antananarivo in April 2003 on a representative sample of 2,807 people, is part of an international research programme designed to compare the relationships between health, inequalities and social breakdowns in different...