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Article Dans Une Revue Applied Economics Année : 2015

Modelling seasonality in residential water demand: the case of Tunisia

Résumé

This article proposes to model seasonal patterns of residential water demand using the techniques of seasonal integration and cointegration. The methodology is applied to quarterly aggregate time series data for Tunisia (1980-2007), applying the same increasing, multi-step pricing scheme in the whole country. First, a seasonal cointegration analysis demonstrates the relevance of a pricing policy that increases the size of the lower consumption block in summer. Second, the non-seasonal cointegration analysis reveals a relatively high price elasticity for the highest consumption block. Therefore, we also propose to increase the tariff progressivity to promote water savings. This modified pricing scheme will help to achieve goals of environmental protection and social equity.
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Dates et versions

halshs-01102007 , version 1 (11-01-2015)

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Younes Ben Zaied, Marie-Estelle Binet. Modelling seasonality in residential water demand: the case of Tunisia. Applied Economics, 2015, 47 (19), pp.1983-1996. ⟨10.1080/00036846.2014.1002896⟩. ⟨halshs-01102007⟩
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