Bildungspolitik versus Gesundheitspolitik
evidenzbasierte Interventionen gegen soziale Ungleichheit in GesundheitWuppertal : Bergische Univ. Wuppertal, 2014
Central exit examinations increase performance ... but take the fun out of mathematics
Rev. version, Wuppertal : Bergische Univ. Wuppertal, 2008Collateral damage
educational attainment and labor market outcomes among German war and post-war cohortsWuppertal : Bergische Univ. Wuppertal, 2012Educational differences in smoking
selection versus causationWuppertal : Bergische Universität Wuppertal, 21. Dezember 2016First do no harm, then do not cheat
DRG upcoding in German neonatologyWuppertal : Bergische Univ. Wuppertal, 2014Health, financial incentives, and early retirement
micro-simulation evidence for GermanyWuppertal : Bergische Univ. Wuppertal, 2014