J. Schumpeter’s line of thought was continued, inter alia, by Rosenberg (1994), Drucker (2004) and Gault
[2010]. Attempts to build models of the innovativeness of enterprises were taken, inter alia, by Webber (1996) and
Ciborowski (2004). Some of these models – e.g. those developed by Hargadon and Sutton (2006) or Webber (1996) –
are very simple, whereas others are much more extensive, e.g. those prepared by Kline and Rosenberg (1986) or