Global warming may induce in Western Europe an increase in storms. Hence the forest managers will have to take into account the risk increase. We study the impact of storm risk at the stand level. From the analytical expressions of the Faustmann criterion and the Expected Long-Run Average Yield,...

International, economic and environmental contexts in this century are strongly affected by risks and uncertainties. Due to the long-term nature of forest investment, forest managers must integrate risks and uncertainties into their decisions. Our objective is to build a decision support tool to...

Face à la montée du salariat à temps partiel notamment dans les groupements d’employeurs agricoles, nous étudions cette structure afin de rendre plus attractif l’emploi salarié dans un groupement d’employeurs : paiement incitatif des salariés et conditions de son existence. Chaque...

We study contracts designed to remunerate a farmer for the production of an ecosystem service with the payment dependent on the results of the farmer’s actions and on weather conditions. Two contracts are proposed: the first takes into account both the results of the farmer’s...

[fre] Asymétrie dans des enchères à prix de retrait secret. . Les bois sont le plus souvent vendus en France par enchères avec prix de retrait secret. Celles-ci peuvent être raisonnablement modélisées dans le cadre de la valeur privée. Avec des acheteurs supposés symétriques, le...

Vis-a-vis the increasing of part-time wage labour in agricultural pool of employers, we study this structure to make more attractive the employee?s payment: conditions of an inciting payment of the wage workers. In the pool, the exogenous weight of each employer is then a significant parameter:...

In principal-agent problem, the first-order approach is frequently used. To insure the validity of the approach the Monotone Likelihood Ratio Property and the Convexity of the Distribution Function Condition are requested. While the former property is satisfied by most of the distributions, this...

In this paper, we shed light on the selection of the benefi ciaries from the French competitiveness cluster policy which was launched in 2005 and extended to 2012. We disentangle the selection and self-selection eff ects, as emphasized in the theoretical literature on regional and industrial...

Will employment instability be the employment pattern tomorrow? Many studies support this view which is first discussed on the basis of various statistical studies already carried out. A general trend of employment instability is not proved to be true by statistical data. These data show that...