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...

This paper discusses two recent controversies surrounding levels and trends in the number of "missing women" in the world. First, the impact of fertility decline on gender bias in mortality is examined. Contrary to the expectations of some authors, fertility decline has not generally led to an...

This paper examines the relationship between measures of income poverty, undernourishment, childhood undernutrition, and child mortality in developing countries. While there is, as expected, a close aggregate correlation between these measures of deprivation, the measures generate some...