4 IZA Discussion Papers
IZA Discussion Paper No. 16258
IZA Discussion Paper No. 15663
published in: Economics of Education Review, 2023, 93, 102376
IZA Discussion Paper No. 14096
published in: Economic Foundations of Education (Educational Foundations, 5), Bloomsbury Publishing, 2023, 135-158.
IZA Discussion Paper No. 9978
published in: Teachers College Record, 2016, ID No. 21629.