@unpublished{publication-17094,
	author={Gross, Jana and Balestra, Simone and Backes-Gellner, Uschi},
	institution={University of Zurich},
	number=129,
	series={Swiss Leading House "Economics of Education" Working Paper},
	title={Does Class Size Affect Student 'Grit'? Evidence from a Randomised Experiment in Early Grades},
	year=2017,
}