Name:  Joop Hartog - University of Amsterdam (Netherlands)

Period: November, 2014

Name:  Stefano Gnocchi - Bank of Canada (Canada)

Period: November, 2015

Name:  Geoffrey J.D. Hewings - University of Illinois (United States)

Period: November, 2015

Name:  Helmut Herwartz - Universität Göttingen (Germany)

Period: March, 2015

Name:  José Vicente Rodríguez - University of Edimburgh (United Kingdom)

Period: June, 2015

Name:  Giulio Bottazzi - Scuola Superiore Sant'Anna a Pisa (Italy)

Period: February, 2015

Name:  Andrés Rodríguez-Pose - London School of Economics (United Kingdom)

Period: September, 2014

Name:  Maria Savona - University of Sussex (United Kingdom)

Period: June, 2013

Name:  Philip McCann - University of Groningen (Netherlands)

Period: Semptember, 2014

Name:  Johannes Van Biesbroeck - CES-KU Leuven (Belgium)

Period: September, 2013

Name:  Helmut Herwartz - Universität Göttingen (Germany)

Period: March, 2014

Name:  Helmut Herwartz - Universität Göttingen (Germany)

Period: March, 2013

Name:  Michael Pikhardt - Branderbug University of Technology Cottbus (Germany)

Period: September-October, 2011

Name:  Helmut Herwartz – Christian-Albrechts-Universität Kiel (Germany)

Period: March-April, 2011

Name:  Javier Fernández Blanco – Universidad Carlos III de Madrid (Spain)

Period: June-July, 2010

Name:  Alexander Coad – Max Planck Institut de Jena (Germany)

Period: March 2010

Name:  Ana Casas – University of Aarhus (Denmark)

Period: January 2010

Name:  Ester Matínez-Ros – Universidad Carlos III de Madrid (Spain)

Period: June-July, 2008

Name:  Rosemary Batt – IRL School, Cornell University (US)

Period: July, 2008 and July, 2008

Name:  Adolfo Cristóbal Campoamor – Universidad Carlos III de Madrid

Period: January, 2008

Name:  Paula González – Universidad Pablo de Olavide (Spain)

Period: June, 2007

Name:  Nicolás Porteiro – Universidad Pablo de Olavide (Spain)

Period: June, 2007

Name:  Alessandra Faggian – University of Reading (UK)

Period: March, 2007

Name:  Chris Benner – Penn State University (US)

Period: January, 2007

Name:  Michael Pikhardt – Technische Universität Chemitz (Germany)

Period: September, 2006