Evaluation of value of irrigation water is essential for supporting policy decision making relating to investments in the irrigation sector, efficient allocation of irrigation water and water pricing and for crafting policies to compare the variable impacts of water reform within and across...

The Murray Darling Basin Current is currently in drought. There are low water levels in most dams, and increased uncertainty about future rainfall. As a result management of the ecosystems in the basin that depend on river flows involves some hard decisions about what assets to save and what...

Replaced with revised version of paper 12/15/05.

This paper derives the optimal level of restorative efforts required to restore environments degraded by invasive species invasion. Specific attention is focused upon a case when the restoration efforts face the risk of failure through relapse of the restored environment. The level of restored...

Replaced with revised version of paper 12/15/05.

In this paper the impact of public policies such as subsidies and taxation on invasive species management is explored in a Markov chain framework. Private agents react to public incentives based upon their long term expected profits and have the option of taking measures such as abatement,...

Credit constraints can undermine livelihood sustenance strategies of farmers faced with prolonged droughts. Marginal farmers with low wealth endowments could be especially vulnerable. The model developed in this paper explores the role of credit in enhancing long-term drought resilience. When...

In regions where common pool resources provide significant support to their surrounding communities, any climate change related shock could produce multiple livelihood repercussions. In this paper, a model explores how the health of common pool resources could impact upon human capital outcomes...

type="main" xml:lang="fr" <title type="main">Gestion des nappes phréatiques et participation collective : pourquoi certaines institutions ont du succès et d'autres non ?</title> <p>En réponse à des situations prolongées de sécheresse, des collectifs de gestion d'eau ont été instaurés et existent dans la plupart des...</p>