1. Education and Family Department DIW Berlin Berlin Germany
2. Public Economics European University Viadrina Frankfurt (Oder) Germany
3. Federal Institute for Population Research Wiesbaden Germany
4. Population Economics Johannes Gutenberg University Mainz Mainz Germany
5. IZA Bonn Germany
6. Chair of Applied Microeconomics Humboldt University of Berlin Berlin Germany
7. Geography and Environment The London School of Economics London UK