The Chair Group of Production and Resource Economics (PuR) welcomes Professor Christopher O'Donnell from the University of Queensland, Australia for a research visit between the 17th and 19th of June. During this time Professor O'Donnell, who focuses in his research on economic and statistical methods for measuring and explaining productivity and efficiency change, will be in an intense exchange with Professor Johannes Sauer as well as with senior and junior research staff at the Chair Group. Professor O'Donnell will present his current research work at the PuR seminar series and at the Faculty Research Seminar of the TUM School of Management.