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...

Domestic migration constitutes the largest flow of people in developing countries and is among the most important opportunities for people to improve their human development. We calculate the Human Development Index by internal migrational status to assess the differences between the levels of...

While it is regularly stated that development progress in so-called fragile states is lagging behind, only very limited empirical analysis exists that investigates to what extent the levels and trends in achievements in MDG indicators differ between fragile and other developing countries, and...

One of the most serious weaknesses of the human development index (HDI) is that it does not take into account the distribution of human development within a country. All attempts to capture inequality in the HDI have used aggregate information and there exists no HDI at the household level. We...

Summary One of the most frequent critiques of the HDI is that it does not take into account inequality within countries. We suggest a methodology which allows to compute the three components and the overall HDI for quintiles of the income distribution. This allows comparisons of the level in...

Summary Current concepts and measures of pro-poor growth are entirely focused on the income dimension of well-being. This neglects non-income dimensions of poverty as well as the multidimensionality of poverty and well-being. In this paper, we extend the pro-poor growth toolbox to individual and...