The first objective of this article is to propose a conceptual framework, presenting the main factors that can have an impact on an internet user’s response to a commercial email. In addition to the variables related to the email itself and to the situation of its reception, the model...

The citizens of Madagascar, and especially the capital Antananarivo, display marked support for democracy: adoption of its principles, rejection of authoritarian regimes, etc. The poor populations are no different from the other social groups in this respect. Nevertheless, living in a poor...

In order to analyse the effect of ambiguity and uncertainty aversion on equilibrium welfare, a two period, pure exchange one good economy is considered. Agents are Choquet-expected-utility maximizers with same convex capacity and strictly concave utility index. It is proven that equilibrium is...

The article titled "Autour des taux écologiques" is a study of an economic environment in which individuals don’t care only about their intertemporal flow of consumption but also about the quality of a given natural resource, say air or water, denoted hereafter environmental good.

Cet article s'intéresse aux effets de redistribution intra-générationnelle de différentes réformes des retraites par répartition, avec une attention particulière aux bas revenus (smicards, carrières incomplètes, éligibles au minimum vieillesse). Dans un modèle analytique avec...

The multidimensionality of poverty is now widely acknowledged. Some recent studies in developed countries show that there is a weak correlation between the monetary poverty approach and the household's subjective perception of their well-being, suggesting that the subjective perception of...

This paper analyses the impact of competition among downstream firms on an upstream firm's payoff and on its incentive to vertically integrate when firms on both segments negotiate optimal contracts. We argue that tougher competition decreases the downstream industry profit, but improves the...

We propose a simple equilibrium model, where the physical and the derivative markets of the commodity interact. There are three types of agents: industrial pro- cessors, inventory holders and speculators. Only the two first of them operate in the physical market. All of them, however, may...

The competition between SEAQ International and Continental European equity markets to attract transactions in the most actively traded European stocks has intensified since the late 1980s. Because their transactions are organised in a different manner, and because reporting standards are not the...