Collateral damage
educational attainment and labor market outcomes among German war and post-war cohortsWuppertal : Bergische Univ. Wuppertal, 2012
Health, financial incentives, and early retirement
micro-simulation evidence for GermanyWuppertal : Bergische Univ. Wuppertal, 2014First do no harm, then do not cheat
DRG upcoding in German neonatologyWuppertal : Bergische Univ. Wuppertal, 2014