Training or retiring? How labor markets adjust to trade and technology shocks / Alexander Bertermann (University of Munich), Wolfgang Dauth (IAB and University of Bamberg and IZA), Jens Suedekum (Heinrich-Heine-Universität Düsseldorf and IZA), Ludger Woessmann (University of Munich, Stanford University, CESifo, IZA and RFBerlin) ; IZA Institute of Labor Economics