The purpose of this paper is to develop a methodology which can be used to set X-factor under price cap schemes, when the number of observations is limited. We firstly apply a panel index approach across Water and Sewerage companies (WaSCs) over time to decompose unit-specific index number based...

Recently, many emerging countries have established subsidized health insurance schemes to provide financial protection and support access to health care to poor households. The challenge to ensure the long term sustainability of such schemes is huge. In this paper, the impact of the health...