Dennis A. Ahlburg has a BEc (Honours) from the University of Sydney, Australia, an MEc from The Australian National University, and a PhD in Economics from the University of Pennsylvania. He is a population economist whose main research interests are in the investigation of human resources, principally health, education, and work. His most recent work has dealt with parentsâ€™ investments in the health of their children in developing countries, and with the link between disability and work in the UK. He has also written extensively on population forecasting, co-editing special issues of the International Journal of Forecasting and Population and Development Review on population forecasting. He is a Professor of Human Resources and Industrial Relations, Industrial Relations Center, Carlson School of Management, University of Minnesota. He is also affiliated with the University of Southampton and has been a visiting Professor at the Australian National University, the East-West Center, the Center for Population Studies at the London School of Hygiene and Tropical Medicine.