“…The pros and cons have been considered in depth in numerous articles and books (apart from the literature mentioned in the introduction, the following can be named: Wagner, 1998Wagner, , 2000Hennrichs, 1999Hennrichs, , 2005Treptow, 1999;Euler, 2000Euler, , 2002Herzig, 2000;Kirchhof, 2000;Sigloch, 2000Sigloch, , 2004Heyd, 2001;Kahle, 2001Kahle, , 2003Kahle, , 2006Freedman, 2004;Herzig and Hausen, 2004;Eberhartinger, 2005;Kußmaul and Zabel, 2005;Schön, 2005;Jensen-Nissen and Lochmann, 2006;Spengel, 2006). Many of them are of German or Austrian origin which is not surprising considering the close tax link in those countries.…”