Abstract
The chapter presents changes in the irrigation tariff system of the irrigation district Tarabina, in the Emilia Romagna Region, Italy. In order to improve the management of the irrigation water resources (distribution of water and related costs), in 2006 the users voluntarily replaced the area-based payment (a financial instrument) with a volumetric tariff (EPI) and introduced a set of formal rules. In the following years, a reduction in water use at district level has been observed. Such an outcome has aroused a particular interest in studying the contribution of the volumetric tariff, intended as an EPI, on the reduction of water use. The capability of such an EPI in reducing the amount of water used in agriculture would strengthen the policy intentions of the EU of implementing measures that induce a more efficient use of water resources. Based on a counterfactual analysis, it has been found that the introduction of the volumetric tariff induced a reduction, on average, of about 50 % of the water used for irrigation along with a reduction of about 70 % of the costs for the non-irrigators. Such findings suggest that EPIs, associated to other instruments, such as site-specific regulations, might improve their effectiveness and pursue multiple policy goals.
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Notes
- 1.
CER is one of the most important water infrastructures in Italy. It delivers water from the Po River to supply agriculture (mainly) and industrial uses in the south eastern areas of the Emilia Romagna Region.
- 2.
The observed period goes from 1991 to 2011, according to the availability of Eurostat data on unitary energy prices (EUR per kilowatt-hour) for industrial purposes in Italy, including levies and taxes.
- 3.
In 1933, the name of the boards was Land Reclamation Boards, without any mention to irrigation even though such function was provided by the R.D. 215.
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Vollaro, M., Sardonini, L., Raggi, M., Viaggi, D. (2015). Water Tariffs in Agriculture: Emilia Romagna Case Study. In: Lago, M., Mysiak, J., Gómez, C., Delacámara, G., Maziotis, A. (eds) Use of Economic Instruments in Water Policy. Global Issues in Water Policy, vol 14. Springer, Cham. https://doi.org/10.1007/978-3-319-18287-2_9
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