Cite

Thorsten Wiesel
Professor of Marketing, Department of Marketing, Faculty of Economics and Business, University of Groningen, PO Box 800, 9700 AV Groningen, Netherlands Tel: +31 50 363 8653
Bernd Skiera
Professor of Marketing and Member of the Board of the E-Finance Lab, School of Business and Economics, Goethe-University Frankfurt, Grueneburgpark 1, 60323 Frankfurt, Germany Tel: +49-69-798-34649
Julián Villanueva
Associate Professor of Marketing, IESE Business School, Ctra. Del Cerro del Águila 3, 28023 Madrid, Spain