“…Innovative activity through the expenses for research and development (R&D), or by acquiring of know-how (intellectual property rights), seems also to affect growth and economic performance [Autio and Parhankangas, (1998), p.120;Delapierre et al, (1998), p.990;Ferguson and Olofsson, (2004), p.5;Kafouros, (2005), p.492;Makris, 2007Makris, , 2008. Furthermore, firm's size and age seem to contribute to economic growth, either positively (Agiomirgiannakis et al, 2006;Voulgaris et al, 2005), or negatively [Bartjokas, 2001;Giudici and Paleari, 2000;Voudouris et al, (2000), p.669]. Some additional factors that are referred in literature as explanatory variables of growth, are profitability, location of the plant (urban rural, etc.…”