[1] Univ Lugano, USI, Inst Mkt & Commun Management, Mkt Management, Lugano, Switzerland
[2] Univ St Gallen, Inst Customer Insight, St Gallen, Switzerland
[3] USI, St Gallen, Switzerland
[4] AT Kearney, Chicago, IL USA
[5] Univ St Gallen, Inst Customer Insight, St Gallen, Switzerland
[6] Univ Mannheim, WHU, Mannheim, Germany
[7] Johannes Gutenberg Univ Mainz, Mainz, Germany
[8] Ctr Market Oriented Prod & Prod Management, St Gallen, Switzerland
[9] Johannes Gutenberg Univ Mainz, Joint Execut MBA Program, Mainz, Germany
[10] Univ Texas Austin, Austin, TX 78712 USA
[11] Univ St Gallen, Inst Media & Commun Management, St Gallen, Switzerland
[12] Univ Ctr Business Metr, St Gallen, Switzerland