This study aims at testing the theoretical issue according to which multinomial logit (MNL) would give lower performance than a mixed multinomial logit (MMNL) in the presence of heterogeneity. To do so, we construct two samples of patients surveyed within the same regions in rural China, but of...

In spatial statistics, Ripley's K function (Ripley, 1977) is a classical tool to analyse spatial point patterns. Yet, it faces two major limits: it is only pertinent for homogeneous point processes and it does not allow the weighting of points.We generalize it to get a new function, M, which...

In this paper, we study the determinants of rental values in urban housing markets in Kigali, Rwanda. In particular, we study the value of access to piped water; due to the high costs associated with installing new piped connections, renting a property with an existing connection is often the...

Cet article présente le modèle SIGMAP (schémas et indicateurs géolocalisés issus de microsimulations appliquées aux politiques publiques) qui permet de caractériser et d'identifier les différences d'accès à l'emploi d'une population donnée en tenant compte des écarts...

This paper offers an indirect measure of patient welfare based on whether patients comply with the prescription they receive. Adherence behavior is supposed to reveal patients' subjective valuations of particular therapies. We write a simple theoretical model of patient adherence behavior, that...

Differentiated prices, bundling, Web auctions : firms' pricing practices are evolving. When there is no market or for customised pricing, the willingness-to-pay concept seems to be interesting. This article aims at presenting a synthesis of the marketing research stream relative to willingness...

Tanzania has created, since the mid-90s, an original institutional framework for water and sanitation management made of a mix of decentralized initiative and public control. This article presents this framework and its functioning on sanitation issues in the town of Moshi, a medium-sized town...