This paper performs a literature update of quantitative studies of water and sanitation services (WSS). There are 190 studies which use cost or production functions to evaluate the performance of WSS utilities. The studies examine (1) the scale, scope or density economies of utilities in a...

Important work has recently (2010) been done by the IDB and other international institutions on water and sanitation in Paraguay. Likewise the master plan for the sector is being updated, employing one of the most important companies in the world, specialists in the sector, the North American...

This article analyzes the impact of the Colombian water and sewerage provision reforms, on child mortality and access rates. A reform indicator is defined by considering the entry of a new operator, different from local government. Using a difference in differences methodology, the effect of...

This paper explores the potential impact of the General Agreement on Trade in Services ('GATS') on the water and sanitation services sector. It argues that water and sanitation require special consideration in the liberalisation debate given their essential role in promoting human health and...