homburg@bwl.uni-mannheim.de
dtotzek@bwl.uni-mannheim.de
mathias.droll@gmx.net
© 2014 Christian Homburg, Dirk Totzek, Mathias Droll, published by Nuremberg Institute for Market DecisionsThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.