I investigate the relationship between children's endowment and parental investment using a rich dataset on a cohort of children from Ethiopia, who were surveyed at ages eight, twelve and fifteen. Children's endowment is measured by scores on tests of cognitive skills/ability. A child's...

This paper examines the nature and evolution of horizontal and vertical human-capital inequality in South Africa since the end of apartheid. Using census data from 1996, 2001, and 2011, we use different measures of years of schooling to examine the dynamics both across and within racial,...

This paper evaluates the impact of education on measured inequality across the wage distribution using pooled records from the 2005 and 2010 Cameroon labour force surveys, wage equations and standard inequality measures. Returns to education increased monotonically. Yet incremental returns were...

This paper estimates the relationship between differences in skills measured among within-country ethnic groups and individual human capital accumulation in eight African countries. Our results show that the skills of an individual in these countries depends more on the human capital levels of...

This paper estimates a private school learning premium in Tanzania by implementing a flexible value-added model with unique administrative data on exam scores. The dataset covers 635,000 secondary school students with information on both their primary and lower secondary school exam records,...

We use a long panel data set for four entry cohorts into an internal labor market toanalyze the effect of age on the probability to participate in different training measures.We find that training participation probabilities are inverted u-shaped with age and thatlonger training measures are...

Conventional R&D-based growth theory suggests that productivitygrowth is positively correlated with population size or population growth,an implication which is hard to see in the data. Here we integrate R&D-basedgrowth into a unied growth setup with micro-founded fertility and...

This paper provides an introduction and overview of my research on the Economics of Language. The approach is that language skills among immigrants and native-born linguistic minorities are a form of human capital. There are costs and benefits associated with this characteristic embodied in the...

Using the large-scale German Socio-Economic Panel, this note reports direct empirical evidence for significant correlations between risk aversion and labour market outcomes (full-time employment, temporary agency work, fixed-term contracts, employer change, quits, training, wages, and job...