Lalive, Rafael; Wuellrich, Jean-Philippe; Zweimüller, Josef (2013). Do financial incentives affect firms’ demand for disabled workers? Journal of the European Economic Association, 11(1):25-58.
Kuhn, Andreas; Wuellrich, Jean-Philippe; Zweimüller, Josef (2010). Fatal Attraction? Access to Early Retirement and Mortality. Working paper series / Institute for Empirical Research in Economics No. 499, University of Zurich.