Apr 09 2017 Younes Ben Zaied , Nidhaleddine Ben Cheikh and Pascal Nguyen   Modeling nonlinear water demand : The case of Tunisia   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 20 2017 René Cabral , Luciano Ayala and Victor Hugo Delgado   Residential Water Demand and Price Perception under Increasing Block Rates   Abstract  Contact Information  Citation  Full Text  -  Note