Introduction
Recently growing attention has been devoted to open innovation (further OI) and its successful management. The central idea behind OI is that in a world of widely distributed knowledge and intellectual resource enterprises cannot rely entirely on their own research, but should instead incorporate external knowledge, processes, inventions and contributors in joint research and development processes and leverage such connections. In addition, internal inventions not being used in a firm's business should be externalized via selling or licensing intellectual property, joint ventures of spin-offs (Chesbrough, 2003).
Since the introduction of open innovation concept by Chesbrough (2003) a lot of academic studies has been done