The fact that Stephan Klasen can always give a precise answer to very complicated or even complex questions inspired the idea for this book. We asked 50 development economists (and friends of Stephan) around the world to answer 50 (serious and not-so serious) questions about development research...

Using household survey data, this paper estimates the mortality impact of improved water and sanitation access in order to evaluate the potential contribution of water and sanitation investment toward achieving the child mortality targets defined in Millennium Development Goal 4. The authors...

This paper combines 172 Demography and Health Survey data sets from 70 countries to estimate the effect of water and sanitation on child mortality and morbidity. The results show a robust association between access to water and sanitation technologies and both child morbidity and child...

For more than a hundred years, advances in development were associated with decreasing fertility rates. This led to total fertility rates far below replacement level in most developed countries. However, during the last decade fertility rates started to increase again in various developed...

Using changes in the possession of household assets over the past 20 years, several recent papers have argued that economic performance in Arica was substantially better than suggested by national income data and income poverty statistics, who suffer from well-known weaknesses. We scrutinize...

Despite recent improvements in economic performance, undernutrition rates in Africa appear to have improved much less and rather inconsistently across the continent. We examine to what extent there is an empirical linkage between income growth and reductions of child undernutrition in Africa. We...

Using changes in the possession of household assets over the past 20 years, several recent papers have argued that economic performance in Arica was substantially better than suggested by national income data and income poverty statistics, who suffer from well-known weaknesses. We scrutinize...

For more than a hundred years, advances in development were associated with decreasing fertility rates. This led to total fertility rates far below replacement level in most developed countries. However, during the last decade fertility rates started to increase again in various developed...