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    "Hanemann, W. M. & C. Nauges (2005): \"Heterogeneous responses to water conservation programs: the case of residential users in Los Angeles.\" CUDARE Working Paper Series 1026, University of California at Berkeley, Department of Agricultural and Resource Economics and Policy.",
    "Williams, M. (1985): \"Estimating urban residential demand for water under alternative price measures.\" Journal of Urban Economics 18(2): pp. 213--225.",
    "Ayadi, M., J. Krishnakumar & M.-S. Matoussi (2002): \"A panel data analysis of residential water demand in presence of nonlinear progressive tariffs.\" Working Paper 6/2012, Department of Econometrics, University of Geneva.",
    "Younes, B. Z. & M. S. Matoussi (2011): \"Residential Water Demand: A Panel Cointegration Approach and Application to Tunisia.\" Working Paper 656, The Economic Research Forum (ERF).",
    "Hoglund, L. (1999): \"Household demand for water in Sweden with implications of a potential tax on water use.\" Water Resources Research 35(12): pp. 3853--3863."
   ]
  }
 ]
}