Introduction -- Varieties of capitalism and innovation : the Silicon Valley model -- How an American technology cluster emerged and became sustainable : San Diego biotechnology -- The German biotechnology industry : the limits of orchestrated innovation -- Biotechnology in the UK : good but not...

How can public policy best promote successful innovation in the Internet sector? This paper creates a typology of different types of Internet software firms. Institutions associated with the `Silicon Valley Model` are a strong driver of success for some key Internet technologies. However,...