Ulrich Berger (WU Wien) Website: http://wwwap.wu.ac.at/usr//vw5/uberger/ Title: Cognitive Hierarchies in the Minimizer Game Paper and Fabien Postel-Vinay (UCL) Website: https://sites.google.com/site/fabienpostelvinay/ Title: Multidimensional Skills, Sorting, and Human Capital Accumulation Paper: https://economics.sas.upenn.edu/sites/economics.sas.upenn.edu/files/u21/multiskills.pdf