"Introducing private sector participation (PSP) into the water and sewerage sectors in developing countries is difficult and controversial. Empirical studies on its effects are scant and generally inconclusive. Case studies tend to find improvements in the sector following privatization, but...

"Competition in public procurement auctions in the water supply and sanitation sector is largely limited. This is partly because of high technical complexity and partly because of auction design flaws. The division of lot contracts is an important policy choice for auctioneers to achieve...

"This paper uses a new dataset, "WATSAN," of private sector participation (PSP) projects for water and sanitation in developing countries to examine the determinants of the number of projects signed for each country between 1990 and 2004. The new dataset improves on existing sources, in...

That Lima's water system was in near-crisis was not enough to bring about radical change. Partial reforms to reduce many of the city's worst problems were carried out under public management. But a quarter of Lima's citizens still had no access to water or sewerage connections, extended service...