In South Africa water law has recently changed, adopting the principle of water as an economic good,thus levying charges on its use. For small-scale irrigators this is an important change, becausecurrently their water use is entirely subsidized. In the coming years, subsidies will gradually...

The Mekong Delta in Vietnam has become an important production area for pangasius. The importance of the sector in providing an income to many households means that it is relevant to study its economic production characteristics. In this article we use a stochastic cost frontier model to assess...

This article analyzes the efficiency of Water Users Associations (WUA) in the Cap Bon region(Tunisia) and studies its main determinants. The analysis is performed in two stages. First, theefficiency is measured via the nonparametric “Data Envelopment Analysis” (DEA) technique. TheDEA models...

The paper aims to investigate the economies of scale of Water Users’ Associations (WUA) inTunisia. During the last years there has been a lot of discussion in Tunisia about the optimal sizeof WUAs, which allows more efficient management of the water resources at the local level. Inthis work we...

A positive mathematical programming model was constructed in this study to assess theeffect of three water pricing scenarios on Teboulba’s agricultural production systems.The effects of these scenarios were estimated for three groups of farmers from three irrigated districts. Results show that...