5 IZA Discussion Papers
IZA Discussion Paper No. 16575
IZA Discussion Paper No. 8382
IZA Discussion Paper No. 5507
published in: Journal of Urban Economics, 2013, 74,113-132.
IZA Discussion Paper No. 3283
revised version published as 'A Dynamic Model of Weak and Strong Ties in the Labor Market' in: Journal of Labor Economics, 2015, 33 (4), 891-932
IZA Discussion Paper No. 1889
published in: Journal of Public Economics, 2008, 92 (3-4), 915-923