Innovation and technological change has always been recognized as a motor for economicgrowth in economic literature. It is also agreed amongst economists that competition fostersinnovation, and thus, is an essential component of economic progress (Teece, 1992).Coase (1937, p. 388) remarks in his...

The long tail phenomenon has been heavily discussed in recentyears. What has been neglected so far is its striking relevance forelectronic services. Whereas consumers expectations about informationgoods are often vague and transient, their requirements are pronouncedand specific when it comes to...