1. Research Centre for Education and the Labour Market, Maastricht University, 6200 MD Maastricht, Netherlands;
2. Institute of Labor Economics, 53113 Bonn, Germany;
3. School of Business and Economics, Department of Economics, Maastricht University, 6211 LM, Maastricht, Netherlands;
4. Center for Real Estate, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139;
5. School of Business and Economics, Department of Finance, Maastricht University, 6211 LM, Maastricht, Netherlands;
6. Center of Economic Studies CESifo, 81679 Munich, Germany