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首页> 外文期刊>Water Policy >Redistributive impact of increasing block residential water rates: some empirical evidence from Mauritius
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Redistributive impact of increasing block residential water rates: some empirical evidence from Mauritius

机译：日益增加的住宅用水率的再分配影响：毛里求斯的一些经验证据

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This paper presents empirical results on progressive incidence of water charges that contradict conventionalnwisdom in developing and many developed countries. Family size in Mauritius is larger among high-income categoriesnrelative to low-income groups. Because of this unusual demographic dimension, increasing block tariffsncoupled with lifeline rates below long-term marginal costs applicable to low-volume users produce a differentnresult. Regional disparities in water demand among residential users further contribute to a redistributive strategy.nIt is interesting to note that extensive metering in urban and rural areas allows low-income consumers to end up innlow-rate blocks. Empirical estimates of price, income and household size elasticities for different income categoriesnreveal that low-income households face more than average price elasticity of demand for water and lessnthan average income and household size elasticity. In the light of these results, it has been established that increasenin demand for water among richer households has the potential of improving equity in water charges. Computednmarginal budget shares derived from a linear expenditure system show that the amount of supernumerary incomenwould be higher for richer people, so that a percentage increase in income may result in higher level spending onnwater when compared to lower-income households.
机译：本文介绍了与发展中国家和许多发达国家的传统智慧相矛盾的水费累进发生率的实证结果。毛里求斯的家庭规模在高收入类别中相对于低收入群体而言更大。由于这个不寻常的人口规模，增加的大宗商品电价加上生命线费率低于适用于小批量用户的长期边际成本会产生不同的结果。居民用水需求的区域差异进一步推动了再分配策略。n有趣的是，城市和农村地区的大量计量使低收入消费者最终陷入了低费率。对不同收入类别的价格，收入和家庭规模弹性的经验估计表明，低收入家庭面临的用水需求的平均价格弹性大于平均水平，而低于平均收入和家庭规模弹性。根据这些结果，已经确定，较富裕家庭对水的需求不断增加，有可能改善水费公平性。由线性支出系统得出的经计算的总预算份额显示，富人的超额收入数额将更高，因此，与低收入家庭相比，收入百分比的增加可能会导致较高的水上支出。

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