3 IZA Discussion Papers
IZA Discussion Paper No. 14612
published in: Health Economics, 2021, 30 (12), 3087 - 3105
IZA Discussion Paper No. 8491
published as 'Wating to Give: Stated and Revealed Preferences' in: Management Science, 2017, 63 (11), 3672 - 3690
IZA Discussion Paper No. 5760
published in: Mathematical Population Studies, 2015, 22(2), 80-100