The workshop has been hosted by the University of Geneva (1991), European University Institute (1992), Université Catholique de Louvain-la-Neuve (1993, 1997), University of Copenhagen (1994, 1999), Universitat Autònoma de Barcelona (1995, 1998), Université Paris 1 Panthéon-Sorbonne (2000, 2014, 2018), University of Maastricht (2001), National Technical University of Athens (2002), Bielefeld University (2003), University of Venice (2004), University of Zurich (2005), Universidade Nova de Lisboa (2006), University of Warwick (co-organized with Queen Mary University, 2007), University of Salerno (2008), Universitat Pompeu Fabra (2009), Cracow University of Economics (2010), Universidade de Vigo (2011), University of Exeter (2012), University of Vienna (2013), University of Naples Federico II (2015), University of Glasgow (2016), and University of Salamanca (2017).