4 IZA Discussion Papers
IZA Discussion Paper No. 11590
R&R Journal of Political Economy. Substantial revision available from the authors. Last version: https://www.medrxiv.org/content/medrxiv/early/2019/06/28/19000570.full.pdf
IZA Discussion Paper No. 10226
published in: European Journal of Political Economy [Link] [Online Appendix]
IZA Discussion Paper No. 10148
IZA Discussion Paper No. 2922
revised version published in: European Economic Review, 2011, 55 (4), 535-553