Hans-Willi Schroiff & David Arnold Managing the Brand-Product Continuum in International Markets (.pdf-file) Contribution for the Harvard Business School Colloquium on the "Globalization of Markets" (March 2003)
Hans-Willi Schroiff Management, Accountability, an Research - The Quest for the Objective Truth (.pdf-file) Introductory Speech at the 2003 ESOMAR Congress, Prague (September 2003)
Hans-Willi Schroiff Where do you go to, my lovely? - Persönliche Anmerkungen zur Zukunft der Marktforschung (.pdf-file) Keynote Address at the 50th Anniversary of the Arbeitskreis Deutscher Marktforschungs-Institute (ADM), Nürnberg (June 2005)