We propose a structural empirical approach à la Levinsohn and Petrin (2003) to disentangle the effect of experts' grades from the effect of unobserved quality on the pricing of experience goods. Using a panel data set of 108 châteaux selling wine on the Bordeaux "en primeur" market, we provide...

Dans une première partie, l'auteur rappelle brièvement les principes de la certification ISO 14001. La Fédération Nationale des Coopératives d'Utilisation de matériel Agricole (FNCUMA) est engagée depuis 1998 dans une expérimentation visant à adapter la procédure de certification à la...

Bottled water consumption has been steadily growing in the world for the past 30 years, in spite of its excessively high price compared to tap water. The Italian drink more bottled water than anybody else in the world, followed by the French who drink about 130 liters per year per inhabitant. In...

Sharecropping theory generally does not take into account land fertility. We develop a repeated Principal-Agent model under moral hazard where the Principal delegates the use and maintenance of a productive asset. In a multitask framework, we characterize the optimal spot contract focusing on...

We study the effects of a conditional transfers program on school enrollment and performance in Mexico. We provide a theoretical framework for analyzing the dynamic educational decision and process including the endogeneity and uncertainty of performance (passing grades) and the effect of a...

Focus of this work is on the contract known as actions-incentive. We suppose it applies to a group of producing farmers of a positive externality. This externality is perceived as a public asset which the society wishes to remunerate. When then analyse the pros and cons and the conditions...

The relationship between collusion on the product market and the resulting impact on the labour market is ambiguous in non-union models. Considering a dual labour market with qualified and unqualified workers, and taking into account the efficiency effect when employing qualified workers allows...

We develop and estimate a model of dynamic interactions where conmmitment is limited and contracts are incomplete to explain the patterns of income and consumption in village economies of less developped countries. Households can insure through both formal contracts and informal agreements, that...

In many countries, a reversing trend in the evolution of the hired labour force in agriculture was observed : its share in the agricultural employment which had decreased regularly since decades has increased for the last ten years. We propose an analysis of the factors bearing upon the...

Ce papier présente une nouvelle approche pour l'évaluation empirique des élasticités de demande d'importation. Cette approche utilise un système de demande d'importation flexible (Almost Ideal Demand System : AIDS) couplé d'un modèle économétrique incorporant une spécification du terme...