Media type: E-Article Title: Economies of density, scale and scope in the water supply and sewerage sector: a study of four developing and transition economies Contributor: Nauges, Céline; van den Berg, Caroline imprint: Springer Science and Business Media LLC, 2008 Published in: Journal of Regulatory Economics Language: English DOI: 10.1007/s11149-008-9063-2 ISSN: 1573-0468; 0922-680X Keywords: Economics and Econometrics Origination: Footnote: