Notes, Comments and Preliminary results Apr 03 2019 Christian Hutter and Enzo Weber   A note on the effects of skill-biased technical change on productivity flattening   Abstract  Contact Information  Citation  Full Text  -  Note   Apr 28 2018 Enzo Weber and Roland Weigand   Identifying macroeconomic effects of refugee migration to Germany   Abstract  Contact Information  Citation  Full Text  -  Note