Michael Gebel is Full Professor of Methods of Empirical Social Research at the Carl von Ossietzky University of Oldenburg, Germany. His main research interests include transitions to adulthood, youth unemployment and temporary employment, international comparative research, and quantitative methods. Stefanie Heyne is Teaching and Research Associate at the Carl von Ossietzky University of Oldenburg, Germany. Her main research interests are social inequality, labor market sociology, and women in society.