“…The choice of the four attributes sketched in section 2 was based on approaches to a COO-related orientation of retail mobile communication offerings observed in the German telecommunications market (Bertele, 2010;Hoffmann & Demirel, 2011), a review of the Anglosaxon ethno marketing literature (Gerpott & Bicak, 2011), and on industry-specific work that discusses the design of mobile communication services from a customer perspective (e.g., Gutsche et al, 2005).…”