3 IZA Discussion Papers
IZA Discussion Paper No. 12978
IZA Discussion Paper No. 7808
revised version published in: Journal of Public Economics, 2015, 125, 1–15
IZA Discussion Paper No. 2076
published as 'Job and wage mobility with minimum wages and imperfect compliance' in: Journal of Applied Econometrics, 2011, 26 (4), 580-612