4 IZA Discussion Papers
IZA Discussion Paper No. 12051
published in: Journal of Human Resources, 2020, 55 (4), 1400-1426
IZA Discussion Paper No. 8730
revised version published as 'Do higher college graduation rates increase local education levels?' in: Papers in Regional Science, 2018, 97 (3), 617 - 638
IZA Discussion Paper No. 4163