@misc{publication-17942,
	author={Schultheiss, Tobias and Pfister, Curdin and Backes-Gellner, Uschi and Gnehm, Ann-Sophie},
	booktitle={22nd Colloquium on Personnel Economics},
	title={Rising tide or crowding out – does tertiary education expansion lead to upskilling for workers without tertiary degree? Evidence from job vacancies from 1950 to 2017},
	year=2019,
}