In many areas where water is not abundant, water pricing schedules contain significant nonlinearities. Existing pricing literature establishes that efficient schedules will depend on demand and supply characteristics. However, most empirical studies show that actual pricing schemes have little...

The tariffs applied in the Portuguese water industry are very complex, making their analysis difficult and hampering the objective of efficiency, acknowledged as an important tool in water management by Portuguese and European legislation. In this article we present the main criteria to be taken...