diffusion of wireless communications in Finland. Technol Forecast Soc 71:391-403 Frank L, Luoma E and Tyrväinen P (2007) "Market scope of vendors in the OSS software market," Proceedings of the IEEE International Conference on Industrial Engineering and Engineering Management (IEEM), pp 2096-2100 Frank L and Luoma E (2008) Telecommunications Software Industry Evolution, in proceedings of 7th Conference on Telecom, Internet & Media Techno-Economics (CTTE 2008), Paris, France, 18 June, 2008 Freeman C (1994) The economics of technical change. Cambridge J Econ 18:463-514 Frenken K (2006) A fitness landscape approach to technological complexity, modularity, and vertical disintegration. Struct Change Econ Dynam 17:288-305 Garud R, Kumaraswamy A (1993) Changing competitive dynamics in network industries: an exploration of Sun Microsystems' Open Systems strategy. Strategic Manage J 13(5):351-369 Giarratana M (2004) The birth of a new industry: entry by start-ups and the drivers of firm growth the case of encryption software. Res Pol 33:787-806 Gort M, Klepper S (1982) Time paths in the diffusion of product innovations. Econ J 92 (267):630-653 Grant RM (1996) Toward a knowledge-based theory of the firm. Strategic Manage J 17:109-122 Greiner LE (1972) Evolution and revolution as organizations grow. HBR 50(4):37-46 Griliches Z (1957) Hybrid corn: an exploration in the economics of technological change. Econometrica 25:501-522 Gruber H, Verboven F (2001a) The diffusion of mobile telecommunications services in the European Union. Eur Econ Rev 45:577-588 Gruber H, Verboven F (2001b) The evolution of markets under entry and standards regulation - the case of global mobile telecommunications. Int J Ind Organ 19:1189-1212 Harrison R, Jaumandreu J, Mairesse J, Peters B (2008) Does innovation stimulate employment? a firm-level analysis using comparable micro-data from four European countries. NBER Working Paper 14216, Cambridge MA, pp 1-46 Hoch DJ, Roeding CR, Purkert G, Lindner SK, Müller R (2000) Secrets of software success. Harv