William Hoyt will present his paper "The Assignment and Division of the Tax Base in a System of Hierarchical Governments at the University of Zurich (March 29th), the University of Basel (April 4th), and the University of Switzerland-Italiano (Lugano) on April 12th. He will present his paper "Differential Mobility and the Choice of Tax Base" at University of Erlangen-Nuremberg (April 26th), the CESifo Conference on Public Economics (Munich, April 2th), the University of Mannheim (May 11th), and the "Tax Day" conference at the Max Planck Institute (May 30th, Munich).