Spengel, Christoph, Dieter Endres, Katharina Nicolay, Jost Henrich Heckemeyer, Alexandra Bartholmeß, Rainer Bräutigam, Olena Pfeiffer, Manuel Halter, Katharina Richter, Uwe Scheuering und Frank Streif (2013), Effective Tax Levels using the Devereux/Griffith Methodology, Project for the EU Commission TAXUD/2013/CC/120 Intermediate Report 2013, EU Kommission, Mannheim. Download
